CCNA Discovery 3 Module 3 Exam Answers Version 4.0
1.
Refer to the exhibit. What two statements can be concluded from the information that is shown in the exhibit? (Choose two.)
• All ports that are listed in the exhibit are access ports.
• ARP requests from Host1 will be forwarded to Host2.
• Attaching Host1 to port 3 will automatically allow communication between both hosts.
• The default gateway for each host must be changed to 192.168.3.250/28 to allow communication between both hosts.
• A router connected to the switch is needed to forward traffic between the hosts.
Jawaban
• The default gateway for each host must be changed to 192.168.3.250/28 to allow communication between both hosts.
2.
A router is configured to connect to a trunked uplink as shown in the exhibit. A packet is received on the FastEthernet 0/1 physical interface from VLAN 10. The packet destination address is 192.168.1.120. What will the router do with this packet?
• The router will forward the packet out interface FastEthernet 0/1.1 tagged for VLAN 10.
• The router will forward the packet out interface FastEthernet 0/1.2 tagged for VLAN 60.
• The router will forward the packet out interface FastEthernet 0/1.3 tagged for VLAN 60.
• The router will forward the packet out interface FastEthernet 0/1.3 tagged for VLAN 120.
• The router will not process the packet since the source and destination are on the same subnet.
• The router will drop the packet since no network that includes the source address is attached to the router.
Jawaban
• The router will forward the packet out interface FastEthernet 0/1.3 tagged for VLAN 120.
3. The information contained in a BPDU is used for which two purposes? (Choose two.)
• to prevent loops by sharing bridging tables between connected switches
• to set the duplex mode of a redundant link
• to determine the shortest path to the root bridge
• to determine which ports will forward frames as part of the spanning tree
• to activate looped paths throughout the network
4. A router has two serial interfaces and two Fast Ethernet interfaces. This router must be connected to a WAN link and to a switch that supports four VLANs. How can this be accomplished in the most efficient and cost-effective manner to support inter-VLAN routing between the four VLANs?
• Connect a smaller router to the serial interface to handle the inter-VLAN traffic.
• Add two additional Fast Ethernet interfaces to the router to allow one VLAN per interface.
• Connect a trunked uplink from the switch to one Fast Ethernet interface on the router and create logical subinterfaces for each VLAN.
• Use serial-to-Fast Ethernet transceivers to connect two of the VLANs to the serial ports on the router. Support the other two VLANs directly to the available FastEthernet ports.
5. When are MAC addresses removed from the CAM table?
• at regular 30 second intervals
• when a broadcast packet is received
• when the IP Address of a host is changed
• after they have been idle for a certain period of time
6.
Refer to the exhibit. Switch1 is not participating in the VTP management process with the other switches. Which two are possible reasons for this? (Choose two.)
• Switch2 is in transparent mode.
• Switch1 is in client mode.
• Switch1 is using VTP version 1 and Switch2 is using VTP version 2.
• Switch2 is in server mode.
• Switch1 is in a different management domain.
• Switch1 has no VLANs.
7. Which three must be used when a router interface is configured for VLAN trunking? (Choose three.)
• one subinterface per VLAN
• one physical interface for each subinterface
• one IP network or subnetwork for each subinterface
• one trunked link per VLAN
• a management domain for each subinterface
• a compatible trunking protocol encapsulation for each subinterface
8.
Refer to the exhibit. The switches are connected with trunks within the same VTP management domain. Each switch is labeled with its VTP mode. A new VLAN is added to Switch3. This VLAN does not show up on the other switches. What is the reason for this?
• VLANs cannot be created on transparent mode switches.
• Server mode switches neither listen to nor forward VTP messages from transparent mode switches.
• VLANs created on transparent mode switches are not included in VTP advertisements.
• There are no ports assigned to the new VLAN on the other switches.
• Transparent mode switches do not forward VTP advertisements.
9. Which two criteria are used by STP to select a root bridge? (Choose two.)
• memory size
• bridge priority
• switching speed
• number of ports
• base MAC address
• switch location
10. Which three steps should be taken before moving a Catalyst switch to a new VTP management domain? (Choose three.)
• Reboot the switch.
• Reset the VTP counters to allow the switch to synchronize with the other switches in the domain.
• Download the VTP database from the VTP server in the new domain.
• Configure the VTP server in the domain to recognize the BID of the new switch.
• Select the correct VTP mode and version.
• Configure the switch with the name of the new management domain.
11. Which two items will prevent broadcasts from being sent throughout the network? (Choose two.)
• bridges
• routers
• switches
• VLANs
• hubs
12. Which two characteristics describe a port in the STP blocking state? (Choose two.)
• provides port security
• displays a steady green light
• learns MAC addresses as BPDUs are processed
• discards data frames received from the attached segment
• receives BPDUs and directs them to the system module
13. What is the first step in the process of convergence in a spanning tree topology?
• election of the root bridge
• determination of the designated port for each segment
• blocking of the non-designated ports
• selection of the designated trunk port
• activation of the root port for each segment
14. In which STP state does a switch port transmit user data and learn MAC addresses?
• blocking
• learning
• disabling
• listening
• forwarding
15. What is the purpose of VTP?
• maintaining consistency in VLAN configuration across the network
• routing frames from one VLAN to another
• routing the frames along the best path between switches
• tagging user data frames with VLAN membership information
• distributing BPDUs to maintain loop-free switched paths
16. Which statement best describes adaptive cut-through switching?
• The switch initially forwards all traffic using cut-through switching and then changes to store-and-forward switching if errors exceed a threshold value.
• The switch initially forwards all traffic using cut-through switching and then changes to fast-forward switching if errors exceed a threshold value.
• The switch initially forwards all traffic using cut-through switching and then temporarily disables the port if errors exceed a threshold value.
• The switch initially forwards all traffic using store-and-forward switching and then changes to cut-through switching if errors exceed a threshold value.
17. Using STP, how long does it take for a switch port to go from the blocking state to the forwarding state?
• 2 seconds
• 15 seconds
• 20 seconds
• 50 seconds
18.
Refer to the exhibit. The switches are interconnected by trunked links and are configured for VTP as shown. A new VLAN is added to Switch1. Which three actions will occur? (Choose three.)
• Switch1 will not add the VLAN to its database and will pass the update to Switch 2.
• Switch2 will add the VLAN to its database and pass the update to Switch3.
• Switch3 will pass the VTP update to Switch4.
• Switch3 will add the VLAN to its database.
• Switch4 will add the VLAN to its database.
• Switch4 will not receive the update.
19 Which Catalyst feature causes a switch port to enter the spanning-tree forwarding state immediately?
• backbonefast
• uplinkfast
• portfast
• rapid spanning tree
20.
Refer to the exhibit. Which set of commands would be used on the router to provide communication between the two hosts connected to the switch?
• Router(config)# interface vlan 2
Router(config-if)# ip address 192.168.2.1 255.255.255.0
Router(config-if)# no shutdown
Router(config)# interface vlan 3
Router(config-if)# ip address 192.168.3.1 255.255.255.0
Router(config-if)# no shutdown
• Router(config)# interface fastethernet 0/0
Router(config-if)# no shutdown
Router(config-if)# interface fastethernet 0/0.2
Router(config-subif)# encapsulation dot1q 2
Router(config-subif)# ip address 192.168.2.1 255.255.255.0
Router(config-if)# interface fastethernet 0/0.3
Router(config-subif)# encapsulation dot1q 3
Router(config-subif)# ip address 192.168.3.1 255.255.255.0
• Router(config)# interface vlan 2
Router(config-if)# switchport mode trunk dot1q
Router(config)# interface vlan 3
Router(config-if)# switchport mode trunk dot1q
• Router(config)# interface fastethernet 0/0
Router(config-if)# mode trunk dot1q 2 3
Router(config-if)# ip address 192.168.2.1 255.255.255.0
Kamis, 25 November 2010
modul ccna 3 dan 2
CCNA Discovery 3 Module 2 Exam Answers Version 4.0
1. What type of connection point is a point of presence (POP)?
• between a client and a host
• between two local networks
• between a computer and a switch
• between an ISP and an Enterprise network
Jawaban
2. A network administrator needs to configure Telnet access to a router. Which group of commandsenable Telnet access to the router?
• Router(config)# enable password class
Router(config)# line con 0
Router(config-line)# login
Router(config-line)# password cisco
• Router(config)# ip host 192.168.1.1 NewYork
Router(config)# enable password cisco
• Router(config)# line aux 0
Router(config-line)# login
Router(config-line)# password cisco
• Router(config)# enable password class
Router(config)# line vty 0 4
Router(config-line)# login
Router(config-line)# password cisco
Jawaban
• Router(config)# enable password class
Router(config)# line vty 0 4
Router(config-line)# login
Router(config-line)# password cisco
3. Which two types of information should be included in a business continuity plan? (Choose two.)
• maintenance time periods
• intrusion monitoring records
• offsite data storage procedures
• alternate IT processing locations*
• problem resolution escalation steps
Jawaban
• alternate IT processing locations*
• problem resolution escalation steps
4. Which two router parameters can be set from interface configuration mode? (Choose two.)
• IP address
• Telnet password
• hostname
• console password
• subnet mask
• enable secret password
Jawaban
• IP address
• subnet mask
5. Which two devices protect a corporate network against malicious attacks at the enterprise edge ?(Choose two.)
• demarc
• IP security (IPSec)
• Data Service Unit (DSU)
• intrusion prevention system (IPS)
• intrusion detection system (IDS)
6. Which three steps must be performed to remove all VLAN information from a switch but retain therest of the configuration? (Choose three.)
• Remove all VLAN associations from the interfaces.
• Remove the 802.1q encapsulation from the interfac
• Issue the command copy start run.
• Issue the command delete flash:vlan.dat.
• Issue the command erase start.
• Reload the switch.
7. What is the demarcation?
• physical point where the ISP responsibilty ends and the customer responsibilty begins
• physical location where all server farm connections meet before being distributed into the Core
• point of entry for outside attacks and is often vulnerable
• point of entry for all Access Layer connections from the Distribution Layer devices
8. Which device is responsible for moving packets between multiple network segments?
• router
• switch
• CSU/DSU
• IDS device
10. What information can an administrator learn using the show version command?
• Cisco IOS filename
• configured routing protocol
• status of each interface
• IP addresses of all interfaces
11. Which two situations require a network administrator to use out-of-band management to change arouter configuration? (Choose two.)
• Network links to the router are down.
• No Telnet password has been configured on the router.
• The administrator can only connect to the router using SSH.
• The network interfaces of the router are not configured with IP addresses.
• Company security policy requires that only HTTPS be used to connect to routers.
12. It is crucial that network administrators be able to examine and configure network devices fromtheir homes. Which two approaches allow this connectivity without increasing vulnerability to externalattacks? (Choose two.)
• Configure a special link at the POP to allow external entry from the home computer.
• Set up VPN access between the home computer and the network.
• Install a cable modem in the home to link to the network.
• Configure ACLs on the edge routers that allow only authorized users to access management portson network devices.
• Configure a server in the DMZ with a special username and password to allow external access.
13. A network administrator must define specific business processes to implement if a catastrophicdisaster prevents a company from performing daily business routines. Which portion of the networkdocumentation is the administrator defining?
• business security plan
• business continuity plan
• network solvency plan
• service level agreement
• network maintenance plan
14. A DoS attack crippled the daily operations of a large company for 8 hours. Which two optionscould be implemented by the network administrator to possibly prevent such an attack in the future?(Choose two.)
• install security devices with IDS and IPS at the enterprise edge
• reset all user passwords every 30 days
• filter packets based on IP address, traffic pattern, and protocol
• deny external workers VPN access to internal resources
• ensure critical devices are physically secure and placed behind the demarc
15. A network manager wants to have processes in place to ensure that network upgrades do not affectbusiness operations. What will the network manager create for this purpose?
• business security plan
• business continuity plan
• service level agreement
• network maintenance plan
16. An investment company has multiple servers that hold mission critical datThey are worried that ifsomething happens to these servers, they will lose this valuable information. Which type of plan isneeded for this company to help minimize loss in the event of a server crash?
• business security
• business continuity
• network maintenance
• service level agreement
17. When searching for information about authentication methods and usernames of companypersonnel, where can a network administrator look?
• Business Continuity Plan
• Business Security Plan
• Network Maintenance Plan
• Service Level Agreement
18. Refer to the exhibit. Which statement is true about port Fa5/1?
• When a violation is detected, the port will log the information to a syslog server.
• When a violation is detected, the port will go into err-disable mod
• There have been 11 security violations since the last reloa
• The port is currently in the shutdown state.
1. What type of connection point is a point of presence (POP)?
• between a client and a host
• between two local networks
• between a computer and a switch
• between an ISP and an Enterprise network
Jawaban
2. A network administrator needs to configure Telnet access to a router. Which group of commandsenable Telnet access to the router?
• Router(config)# enable password class
Router(config)# line con 0
Router(config-line)# login
Router(config-line)# password cisco
• Router(config)# ip host 192.168.1.1 NewYork
Router(config)# enable password cisco
• Router(config)# line aux 0
Router(config-line)# login
Router(config-line)# password cisco
• Router(config)# enable password class
Router(config)# line vty 0 4
Router(config-line)# login
Router(config-line)# password cisco
Jawaban
• Router(config)# enable password class
Router(config)# line vty 0 4
Router(config-line)# login
Router(config-line)# password cisco
3. Which two types of information should be included in a business continuity plan? (Choose two.)
• maintenance time periods
• intrusion monitoring records
• offsite data storage procedures
• alternate IT processing locations*
• problem resolution escalation steps
Jawaban
• alternate IT processing locations*
• problem resolution escalation steps
4. Which two router parameters can be set from interface configuration mode? (Choose two.)
• IP address
• Telnet password
• hostname
• console password
• subnet mask
• enable secret password
Jawaban
• IP address
• subnet mask
5. Which two devices protect a corporate network against malicious attacks at the enterprise edge ?(Choose two.)
• demarc
• IP security (IPSec)
• Data Service Unit (DSU)
• intrusion prevention system (IPS)
• intrusion detection system (IDS)
6. Which three steps must be performed to remove all VLAN information from a switch but retain therest of the configuration? (Choose three.)
• Remove all VLAN associations from the interfaces.
• Remove the 802.1q encapsulation from the interfac
• Issue the command copy start run.
• Issue the command delete flash:vlan.dat.
• Issue the command erase start.
• Reload the switch.
7. What is the demarcation?
• physical point where the ISP responsibilty ends and the customer responsibilty begins
• physical location where all server farm connections meet before being distributed into the Core
• point of entry for outside attacks and is often vulnerable
• point of entry for all Access Layer connections from the Distribution Layer devices
8. Which device is responsible for moving packets between multiple network segments?
• router
• switch
• CSU/DSU
• IDS device
10. What information can an administrator learn using the show version command?
• Cisco IOS filename
• configured routing protocol
• status of each interface
• IP addresses of all interfaces
11. Which two situations require a network administrator to use out-of-band management to change arouter configuration? (Choose two.)
• Network links to the router are down.
• No Telnet password has been configured on the router.
• The administrator can only connect to the router using SSH.
• The network interfaces of the router are not configured with IP addresses.
• Company security policy requires that only HTTPS be used to connect to routers.
12. It is crucial that network administrators be able to examine and configure network devices fromtheir homes. Which two approaches allow this connectivity without increasing vulnerability to externalattacks? (Choose two.)
• Configure a special link at the POP to allow external entry from the home computer.
• Set up VPN access between the home computer and the network.
• Install a cable modem in the home to link to the network.
• Configure ACLs on the edge routers that allow only authorized users to access management portson network devices.
• Configure a server in the DMZ with a special username and password to allow external access.
13. A network administrator must define specific business processes to implement if a catastrophicdisaster prevents a company from performing daily business routines. Which portion of the networkdocumentation is the administrator defining?
• business security plan
• business continuity plan
• network solvency plan
• service level agreement
• network maintenance plan
14. A DoS attack crippled the daily operations of a large company for 8 hours. Which two optionscould be implemented by the network administrator to possibly prevent such an attack in the future?(Choose two.)
• install security devices with IDS and IPS at the enterprise edge
• reset all user passwords every 30 days
• filter packets based on IP address, traffic pattern, and protocol
• deny external workers VPN access to internal resources
• ensure critical devices are physically secure and placed behind the demarc
15. A network manager wants to have processes in place to ensure that network upgrades do not affectbusiness operations. What will the network manager create for this purpose?
• business security plan
• business continuity plan
• service level agreement
• network maintenance plan
16. An investment company has multiple servers that hold mission critical datThey are worried that ifsomething happens to these servers, they will lose this valuable information. Which type of plan isneeded for this company to help minimize loss in the event of a server crash?
• business security
• business continuity
• network maintenance
• service level agreement
17. When searching for information about authentication methods and usernames of companypersonnel, where can a network administrator look?
• Business Continuity Plan
• Business Security Plan
• Network Maintenance Plan
• Service Level Agreement
18. Refer to the exhibit. Which statement is true about port Fa5/1?
• When a violation is detected, the port will log the information to a syslog server.
• When a violation is detected, the port will go into err-disable mod
• There have been 11 security violations since the last reloa
• The port is currently in the shutdown state.
modul ccna 3 dan 1
CCNA Discovery 3 Module 1 Exam Answers Version 4.0
1. What can be found at the enterprise edge?
• Internet, VPN, and WAN modules
• Internet, PSTN, and WAN services
• server farms and network management
• campus infrastructure, including access layer devices
Jawaban
• Internet, VPN, and WAN modules
2. In which functional area of the Cisco Enterprise Architecture should IDS and IPS be located to detect
• and prevent services from accessing hosts?
• Enterprise Campus
• Edge Distribution
• Enterprise Edge
• Service Provider Edge
Jawaban
• Enterprise Edge
3. A business consultant must use Internet websites to research a report on the e-business strategies of several firms and then electronically deliver the report to a group of clients in cities throughout the world. Which two teleworker tools can the consultant use to accomplish this project? (Choose two.)
• VoIP
• VPN
• HTTP
• Telnet
• email
Jawaban
• HTTP
• email
4. Which two measures help ensure that a hardware problem does not cause an outage in an enterprise LAN that supports mission critical services? (Choose two.)
• providing failover capability
• installing redundant power supplies
• purchasing more bandwidth from the ISP
• implementing broadcast containment with VLANs
• installing routers that can handle a greater amount of throughput
Jawaban
• providing failover capability
• installing redundant power supplies
5. Which task would typically only require services located at the access layer of the hierarchical design model?
• connecting to the corporate web server to update sales figures
• using a VPN from home to send data to the main office servers
• printing a meeting agenda on a local departmental network printer
• placing a VoIP call to a business associate in another country
• responding to an e-mail from a co-worker in another department
Jawaban
• printing a meeting agenda on a local departmental network printer
6. How does a VPN work to support remote user productivity?
• It uses SSL to encrypt remote user logins to the corporate intranet.
• It uses secure Telnet for remote user connections to internal network devices.
• It creates a virtual circuit that allows real-time communications between any two Internet endpoints.
• It uses encapsulation to create a secure tunnel for transmission of data across non-secure networks.
Jawaban
• It uses encapsulation to create a secure tunnel for transmission of data across non-secure networks.
7. A remote user needs to access a networking device on the internal network of the company. The transactions between the remote user and the device must be secure. Which protocol enables this to happen securely?
• HTTP
• SSH
• Telnet
• FTP
Jawaban
• SSH
8. What does VoIP provide to telecommuters?
• high-quality, live-video presentations
• real-time voice communications over the Internet
• ability to share desktop applications simultaneously
• secure, encrypted data transmissions through the Internet
9. Which functional component of the Cisco Enterprise Architecture is responsible for hosting internal servers?
• enterprise campus
• enterprise edge
• service provider edge
• building distribution
10. What is the purpose of the Cisco Enterprise Architecture?
• remove the three-layer hierarchical model and use a flat network approach
• divide the network into functional components while still maintaining the concept of Core, Distribution, and Access Layers
• provide services and functionality to the core layer by grouping various components into a single
• component located in the access layer
• reduce overall network traffic by grouping server farms, the management server, corporate intranet, and e-commerce routers in the same layer
11. Which two solutions would an enterprise IT department use to facilitate secure intranet access for remote workers? (Choose two.)
• VPN
• NAT
• user authentication
• client firewall software
• packet sniffing
12. Which statement describes the difference between an enterprise WAN and an enterprise extranet?
• An enterprise WAN is designed to interconnect local LANs, while an enterprise extranet is designed to interconnect remote branch offices.
• An enterprise WAN is designed to interconnect branch offices, while an enterprise extranet is designed to give access to external business partners.
• An enterprise WAN is designed to provide remote access for its teleworkers, while an enterprise extranet is designed to provide Internet connectivity for the enterprise.
• An enterprise WAN is designed to provide Internet connectivity for the enterprise, while an enterprise extranet is designed to provide remote access to the enterprise network for teleworkers.
13. Why would a network administrator want to limit the size of failure domains when designing a network?
• reduces the effect of Ethernet collisions
• reduces the impact of a key device or service failure
• reduces the impact of Internet congestion on critical traffic
• reduces the impact of blocking broadcast packets at the edge of the local network
14. What is the main purpose of the Access Layer in a hierarchically designed network?
• performs routing and packet manipulation
• supplies redundancy and failover protection
• provides a high-speed, low-latency backbone
• serves as a network connection point for end-user devices
15. Which three functions are performed at the Distribution Layer of the hierarchical network model? (Choose three.)
• forwards traffic that is destined for other networks
• isolates network problems to prevent them from affecting the Core Layer
• allows end users to access the local network
• provides a connection point for separate local networks
• transports large amounts of data between different geographic sites
• forwards traffic to other hosts on the same logical network
16. What is a benefit of having an extranet?
• It provides web-like access to company information for employees only.
• It limits access to corporate information to secure VPN or remote access connections only.
• It allows customers and partners to access company information by connecting to a public web server.
• It allows suppliers and contractors to access confidential internal information using controlled external connections.
17. What are two important characteristics or functions of devices at the Enterprise Edge? (Choose two.)
• providing Internet, telephone, and WAN services to the enterprise network
• providing a connection point for end-user devices to the enterprise network
• providing high-speed backbone connectivity with redundant connections
• providing intrusion detection and intrusion prevention to protect the network against malicious activity
• providing packet inspection to determine if incoming packets should be allowed on the enterprise network
18. Why is TCP the preferred Layer 4 protocol for transmitting data files?
• TCP is more reliable than UDP because it requires lost packets to be retransmitted.
• TCP requires less processing by the source and destination hosts than UDP.
• UDP introduces delays that degrade the quality of the data applications.
• TCP ensures fast delivery because it does not require sequencing or acknowlegements.
19. The ABC Corporation implements the network for its new headquarters using the Cisco Enterprise Architecture. The network administrator wants to filter the traffic from and to the outside world. Where should the administrator deploy a firewall device?
• server farm
• enterprise edge
• enterprise campus
• service provider edge
20. Which two statements are reasons why UDP is used for voice and video traffic instead of TCP?(Choose two.)
• TCP requires all data packets to be delivered for the data to be usable.
• The acknowledgment process of TCP introduces delays that break the streams of data.
• UDP does not have mechanisms for retransmitting lost packets.
• UDP tolerates delays and compensates for them.
• TCP is a connectionless protocol that provides end-to-end reliability.
• UDP is a connection-oriented protocol that provides end-to-end reliability.
1. What can be found at the enterprise edge?
• Internet, VPN, and WAN modules
• Internet, PSTN, and WAN services
• server farms and network management
• campus infrastructure, including access layer devices
Jawaban
• Internet, VPN, and WAN modules
2. In which functional area of the Cisco Enterprise Architecture should IDS and IPS be located to detect
• and prevent services from accessing hosts?
• Enterprise Campus
• Edge Distribution
• Enterprise Edge
• Service Provider Edge
Jawaban
• Enterprise Edge
3. A business consultant must use Internet websites to research a report on the e-business strategies of several firms and then electronically deliver the report to a group of clients in cities throughout the world. Which two teleworker tools can the consultant use to accomplish this project? (Choose two.)
• VoIP
• VPN
• HTTP
• Telnet
Jawaban
• HTTP
4. Which two measures help ensure that a hardware problem does not cause an outage in an enterprise LAN that supports mission critical services? (Choose two.)
• providing failover capability
• installing redundant power supplies
• purchasing more bandwidth from the ISP
• implementing broadcast containment with VLANs
• installing routers that can handle a greater amount of throughput
Jawaban
• providing failover capability
• installing redundant power supplies
5. Which task would typically only require services located at the access layer of the hierarchical design model?
• connecting to the corporate web server to update sales figures
• using a VPN from home to send data to the main office servers
• printing a meeting agenda on a local departmental network printer
• placing a VoIP call to a business associate in another country
• responding to an e-mail from a co-worker in another department
Jawaban
• printing a meeting agenda on a local departmental network printer
6. How does a VPN work to support remote user productivity?
• It uses SSL to encrypt remote user logins to the corporate intranet.
• It uses secure Telnet for remote user connections to internal network devices.
• It creates a virtual circuit that allows real-time communications between any two Internet endpoints.
• It uses encapsulation to create a secure tunnel for transmission of data across non-secure networks.
Jawaban
• It uses encapsulation to create a secure tunnel for transmission of data across non-secure networks.
7. A remote user needs to access a networking device on the internal network of the company. The transactions between the remote user and the device must be secure. Which protocol enables this to happen securely?
• HTTP
• SSH
• Telnet
• FTP
Jawaban
• SSH
8. What does VoIP provide to telecommuters?
• high-quality, live-video presentations
• real-time voice communications over the Internet
• ability to share desktop applications simultaneously
• secure, encrypted data transmissions through the Internet
9. Which functional component of the Cisco Enterprise Architecture is responsible for hosting internal servers?
• enterprise campus
• enterprise edge
• service provider edge
• building distribution
10. What is the purpose of the Cisco Enterprise Architecture?
• remove the three-layer hierarchical model and use a flat network approach
• divide the network into functional components while still maintaining the concept of Core, Distribution, and Access Layers
• provide services and functionality to the core layer by grouping various components into a single
• component located in the access layer
• reduce overall network traffic by grouping server farms, the management server, corporate intranet, and e-commerce routers in the same layer
11. Which two solutions would an enterprise IT department use to facilitate secure intranet access for remote workers? (Choose two.)
• VPN
• NAT
• user authentication
• client firewall software
• packet sniffing
12. Which statement describes the difference between an enterprise WAN and an enterprise extranet?
• An enterprise WAN is designed to interconnect local LANs, while an enterprise extranet is designed to interconnect remote branch offices.
• An enterprise WAN is designed to interconnect branch offices, while an enterprise extranet is designed to give access to external business partners.
• An enterprise WAN is designed to provide remote access for its teleworkers, while an enterprise extranet is designed to provide Internet connectivity for the enterprise.
• An enterprise WAN is designed to provide Internet connectivity for the enterprise, while an enterprise extranet is designed to provide remote access to the enterprise network for teleworkers.
13. Why would a network administrator want to limit the size of failure domains when designing a network?
• reduces the effect of Ethernet collisions
• reduces the impact of a key device or service failure
• reduces the impact of Internet congestion on critical traffic
• reduces the impact of blocking broadcast packets at the edge of the local network
14. What is the main purpose of the Access Layer in a hierarchically designed network?
• performs routing and packet manipulation
• supplies redundancy and failover protection
• provides a high-speed, low-latency backbone
• serves as a network connection point for end-user devices
15. Which three functions are performed at the Distribution Layer of the hierarchical network model? (Choose three.)
• forwards traffic that is destined for other networks
• isolates network problems to prevent them from affecting the Core Layer
• allows end users to access the local network
• provides a connection point for separate local networks
• transports large amounts of data between different geographic sites
• forwards traffic to other hosts on the same logical network
16. What is a benefit of having an extranet?
• It provides web-like access to company information for employees only.
• It limits access to corporate information to secure VPN or remote access connections only.
• It allows customers and partners to access company information by connecting to a public web server.
• It allows suppliers and contractors to access confidential internal information using controlled external connections.
17. What are two important characteristics or functions of devices at the Enterprise Edge? (Choose two.)
• providing Internet, telephone, and WAN services to the enterprise network
• providing a connection point for end-user devices to the enterprise network
• providing high-speed backbone connectivity with redundant connections
• providing intrusion detection and intrusion prevention to protect the network against malicious activity
• providing packet inspection to determine if incoming packets should be allowed on the enterprise network
18. Why is TCP the preferred Layer 4 protocol for transmitting data files?
• TCP is more reliable than UDP because it requires lost packets to be retransmitted.
• TCP requires less processing by the source and destination hosts than UDP.
• UDP introduces delays that degrade the quality of the data applications.
• TCP ensures fast delivery because it does not require sequencing or acknowlegements.
19. The ABC Corporation implements the network for its new headquarters using the Cisco Enterprise Architecture. The network administrator wants to filter the traffic from and to the outside world. Where should the administrator deploy a firewall device?
• server farm
• enterprise edge
• enterprise campus
• service provider edge
20. Which two statements are reasons why UDP is used for voice and video traffic instead of TCP?(Choose two.)
• TCP requires all data packets to be delivered for the data to be usable.
• The acknowledgment process of TCP introduces delays that break the streams of data.
• UDP does not have mechanisms for retransmitting lost packets.
• UDP tolerates delays and compensates for them.
• TCP is a connectionless protocol that provides end-to-end reliability.
• UDP is a connection-oriented protocol that provides end-to-end reliability.
Rabu, 17 November 2010
ccna 2.8
CCNA Discovery 2 Module 8 Exam Answers Version 4.0
1. • accounting
2. • date and time of message
• ID of sending device
• message ID
3. • It uses a 128-bit pre-shared hexadecimal key to prevent unauthorized wireless access.
4. • packet filtering
5. • authentication
6. • reviewing backup logs
• performing trial backups
7. • poll
8. • SNMP
• Telnet
• TFTP
9. • The hacker obtained the MAC address of a permitted host, and cloned it on his wireless laptop NIC.
10. • Provide users with only the access to resources required to do their jobs.
• Allow users to decide how much permission they need to accomplish their job tasks.
11. • IPSEC
• SSL
• HTTPS
12. • encryption
13. • network management database
14. • Tape is not a cost-effective means of backing up data.
• Tape drives require regular cleaning to maintain reliability.
15. • DMZ
16. • ports
• protocols
17. • when the management interface of a device is not reachable across the network
18. • IPSEC
19. • full
20. • authentication
1. • accounting
2. • date and time of message
• ID of sending device
• message ID
3. • It uses a 128-bit pre-shared hexadecimal key to prevent unauthorized wireless access.
4. • packet filtering
5. • authentication
6. • reviewing backup logs
• performing trial backups
7. • poll
8. • SNMP
• Telnet
• TFTP
9. • The hacker obtained the MAC address of a permitted host, and cloned it on his wireless laptop NIC.
10. • Provide users with only the access to resources required to do their jobs.
• Allow users to decide how much permission they need to accomplish their job tasks.
11. • IPSEC
• SSL
• HTTPS
12. • encryption
13. • network management database
14. • Tape is not a cost-effective means of backing up data.
• Tape drives require regular cleaning to maintain reliability.
15. • DMZ
16. • ports
• protocols
17. • when the management interface of a device is not reachable across the network
18. • IPSEC
19. • full
20. • authentication
ccna 2.7
CCNA Discovery 2 Module 7 Exam Answers Version 4.0
1. • The OSI network layer is comparable to the Internet layer of the TCP/IP model.
• The TCP/IP model is based on four layers and the OSI model is based on seven layers.
2.• availability
• scalability
3. • It utilizes TCP port 110.
• SMTP is used to send the e-mail message to the mail servers.
4. • Host2 sends a SYN-ACK message to Host1.
5. • Redundant hardware provides enhanced reliability.
• Fault tolerance is a measure of reliability.
• The longer the MTBF, the greater the reliability.
6. • The protocol interpreter is responsible for the data transfer function.
• In passive data connections, the FTP client initiates the transfer of data.
7. • It enables the synchronization of port numbers between source and destination hosts.
8. • It supports authentication.
• It encrypts packets with SSL.
• It requires additional server processing time.
9. • reverse lookup
10. • dynamic
11. • The command ping fileserv will use IP address 172.16.5.10.
12. • mapping name-to-IP addresses for internal hosts
• forwarding name resolution requests to a caching-only server
13. • low overhead
• no flow control
• no error-recovery function
14. • FTP
• HTTP
• SMTP
15. • HTTP – 80
• SMTP – 25
16. • source IP address and port with a destination IP address and port
17. • SMTP
18. • Source – 192.168.1.17:80 ; Destination – 192.168.2.39:1045
19. • caching-only
20. • The server will determine the appropriate service from the destination port field.
21. • IP address
• MAC address
1. • The OSI network layer is comparable to the Internet layer of the TCP/IP model.
• The TCP/IP model is based on four layers and the OSI model is based on seven layers.
2.• availability
• scalability
3. • It utilizes TCP port 110.
• SMTP is used to send the e-mail message to the mail servers.
4. • Host2 sends a SYN-ACK message to Host1.
5. • Redundant hardware provides enhanced reliability.
• Fault tolerance is a measure of reliability.
• The longer the MTBF, the greater the reliability.
6. • The protocol interpreter is responsible for the data transfer function.
• In passive data connections, the FTP client initiates the transfer of data.
7. • It enables the synchronization of port numbers between source and destination hosts.
8. • It supports authentication.
• It encrypts packets with SSL.
• It requires additional server processing time.
9. • reverse lookup
10. • dynamic
11. • The command ping fileserv will use IP address 172.16.5.10.
12. • mapping name-to-IP addresses for internal hosts
• forwarding name resolution requests to a caching-only server
13. • low overhead
• no flow control
• no error-recovery function
14. • FTP
• HTTP
• SMTP
15. • HTTP – 80
• SMTP – 25
16. • source IP address and port with a destination IP address and port
17. • SMTP
18. • Source – 192.168.1.17:80 ; Destination – 192.168.2.39:1045
19. • caching-only
20. • The server will determine the appropriate service from the destination port field.
21. • IP address
• MAC address
ccna 2.6
CCNA Discovery 2 Module 6 Exam Answers Version 4.0
1. • show ip protocols
2. • 16
3. • when the company uses two or more ISPs
4. • a RIP router
5. • Interior routing protocols are used to route on the Internet. Exterior routing protocols are used inside organizations.
6. • subnet mask
7. • EIGRP
8. • routerA(config-router)# network 192.168.3.0
9. • Immediately
10. • All routers at an ISP must be assigned the same AS number.
11. • to identify which networks on the router will send and receive RIP updates
12. • router# show ip networks
13. • It allows a router to share information about known networks with other routers.
14. • border gateway router
15. • show ip rip database
16. • destination IP address
17. • a global business with connections to multiple local ISPs
• a medium-sized nationwide business with Internet connectivity through different ISPs
18. • show ip rip database
19. • Routers will not allow packets to be forwarded until the network has converged.
20. • They require manual reconfiguration to accommodate network changes.
• They are identified in the routing table with the prefix S
21. • Link-state routers only know about directly connected routers. Distance vector routers know about every router in the network.
• Link-state routing protocols update when a change is made. A network using distance vector routing protocols only updates at a specific interval.
22. • BGP
23. • Ping
• Traceroute
• show ip route
24. • autonomous system
1. • show ip protocols
2. • 16
3. • when the company uses two or more ISPs
4. • a RIP router
5. • Interior routing protocols are used to route on the Internet. Exterior routing protocols are used inside organizations.
6. • subnet mask
7. • EIGRP
8. • routerA(config-router)# network 192.168.3.0
9. • Immediately
10. • All routers at an ISP must be assigned the same AS number.
11. • to identify which networks on the router will send and receive RIP updates
12. • router# show ip networks
13. • It allows a router to share information about known networks with other routers.
14. • border gateway router
15. • show ip rip database
16. • destination IP address
17. • a global business with connections to multiple local ISPs
• a medium-sized nationwide business with Internet connectivity through different ISPs
18. • show ip rip database
19. • Routers will not allow packets to be forwarded until the network has converged.
20. • They require manual reconfiguration to accommodate network changes.
• They are identified in the routing table with the prefix S
21. • Link-state routers only know about directly connected routers. Distance vector routers know about every router in the network.
• Link-state routing protocols update when a change is made. A network using distance vector routing protocols only updates at a specific interval.
22. • BGP
23. • Ping
• Traceroute
• show ip route
24. • autonomous system
Rabu, 10 November 2010
CCNA 2.5
CCNA Discovery 2 Module 5 Exam Answers Version 4.0
1. vIn what two ways does SDM differ from the IOS CLI? (Choose two.)
• SDM is used for in-band management only. The IOS CLI can be used for in-band and out-of-band management.
• SDM is accessed through a Telnet application. The IOS CLI is accessed through a web browser.
• SDM is available for all router platforms. The IOS CLI is available for a limited number of Cisco devices.
• SDM utilizes GUI buttons and text boxes. The IOS CLI requires the use of text-based commands.
• SDM is used for advanced configuration tasks. The IOS CLI is preferred for initial basic device configuration. 2. Which mode will a configured router display at login?
• global configuration mode
• setup mode
• ROM monitor mode
• user EXEC mode
• SDM is used for in-band management only. The IOS CLI can be used for in-band and out-of-band management.
• SDM is accessed through a Telnet application. The IOS CLI is accessed through a web browser.
• SDM is available for all router platforms. The IOS CLI is available for a limited number of Cisco devices.
• SDM utilizes GUI buttons and text boxes. The IOS CLI requires the use of text-based commands.
• SDM is used for advanced configuration tasks. The IOS CLI is preferred for initial basic device configuration. 2. Which mode will a configured router display at login?
• global configuration mode
• setup mode
• ROM monitor mode
• user EXEC mode
3. Refer to the exhibit. Which password or passwords will be encrypted as a result of the configuration that is shown?
• virtual terminal only
• enable mode only
• console and virtual terminal only
• enable mode and virtual terminal
• only the service password
• all configured passwords 4.Refer to the exhibit. Which three sets of commands are required to enable administrators to connect to the Switch1 console over Telnet for configuration and management? (Choose three.)
• Switch1(config)# interface fa0/1
Switch1(config-if)# ip address 192.168.2.64 255.255.255.192
• Switch1(config)# interface fa0/1
Switch1(config-if)# ip address 192.168.2.66 255.255.255.192
• Switch1(config)# interface vlan 1
Switch1(config-if)# ip address 192.168.2.126 255.255.255.192
Switch1(config-if)# no shutdown
• Switch1(config)# line vty 0 4
Switch1(config-line)# enable password cisco
Switch1(config-line)# login
• Switch1(config)# line vty 0 15
Switch1(config-line)# password cisco
Switch1(config-line)# login
• Switch1(config)# ip default-gateway 192.168.2.65
• virtual terminal only
• enable mode only
• console and virtual terminal only
• enable mode and virtual terminal
• only the service password
• all configured passwords 4.Refer to the exhibit. Which three sets of commands are required to enable administrators to connect to the Switch1 console over Telnet for configuration and management? (Choose three.)
• Switch1(config)# interface fa0/1
Switch1(config-if)# ip address 192.168.2.64 255.255.255.192
• Switch1(config)# interface fa0/1
Switch1(config-if)# ip address 192.168.2.66 255.255.255.192
• Switch1(config)# interface vlan 1
Switch1(config-if)# ip address 192.168.2.126 255.255.255.192
Switch1(config-if)# no shutdown
• Switch1(config)# line vty 0 4
Switch1(config-line)# enable password cisco
Switch1(config-line)# login
• Switch1(config)# line vty 0 15
Switch1(config-line)# password cisco
Switch1(config-line)# login
• Switch1(config)# ip default-gateway 192.168.2.65
5. How does the SYST LED on the catalyst 2960 switch indicate a POST failure?
• blinks rapidly amber
• blinks rapidly green
• steady amber
• steady green 6. Refer to the exhibit. A company always uses the last valid IP address in a subnetwork as the IP address of the router LAN interface. A network administrator is using a laptop to configure switch X with a default gateway. Assuming that the switch IP address is 192.168.5.147/24, what command will the administrator use to assign a default gateway to the switch?
• X(config)# ip default-gateway 192.168.5.254
• X(config)# ip gateway 192.168.5.1
• X(config)# ip route 0.0.0.0 0.0.0.0 192.168.5.1
• X(config)# ip default-route 192.168.5.1
• X(config)# ip route 192.168.5.254 255.255.255.0 fastethernet 0/0
7. A technician has made changes to the configuration of a router. What command will allow the technician to view the current configuration before he saves the changes?
• router# show running-config
• router# show startup-config
• router# show flash
• router# show version
8. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)
• VTY interface
• console interface
• Ethernet interface
• secret EXEC mode
• privileged EXEC mode
• router configuration mode
9. To save time, IOS commands may be partially entered and then completed by typing which key or key combination?
• Tab
• Ctrl-P
• Ctrl-N
• Up Arrow
• Right Arrow
• Down Arrow
10. What is the correct command sequence to configure a router host name to ‘LAB_A’?
• Router> enable
Router# configure terminal
Router(config)# hostname LAB_A
• Router> enable
Router# hostname LAB_A
• Router> enable
Router# configure router
Router(config)# hostname LAB_A
• Router> enable
Router(config)# host name LAB_A
11. Refer to the exhibit. From the router console, an administrator is unable to ping a Catalyst switch that is located in another building. What can the administrator do from her location to check the IP configuration of the attached switch?
• Open an SDM session with the switch from her desktop.
• Telnet to the switch from the router console.
• Use the show cdp neighbors detail command from the router console.
• The administrator must go to the switch location and make a console connection to check these settings.
12. Which two options must be selected in SDM Express to enable a router serial interface to obtain an IP address automatically? (Choose two.)
• Easy IP (IP negotiated)
• IP unnumbered
• No IP address
• HDLC encapsulation
• Frame Relay encapsulation
• PPP encapsulation
• blinks rapidly amber
• blinks rapidly green
• steady amber
• steady green 6. Refer to the exhibit. A company always uses the last valid IP address in a subnetwork as the IP address of the router LAN interface. A network administrator is using a laptop to configure switch X with a default gateway. Assuming that the switch IP address is 192.168.5.147/24, what command will the administrator use to assign a default gateway to the switch?
• X(config)# ip default-gateway 192.168.5.254
• X(config)# ip gateway 192.168.5.1
• X(config)# ip route 0.0.0.0 0.0.0.0 192.168.5.1
• X(config)# ip default-route 192.168.5.1
• X(config)# ip route 192.168.5.254 255.255.255.0 fastethernet 0/0
7. A technician has made changes to the configuration of a router. What command will allow the technician to view the current configuration before he saves the changes?
• router# show running-config
• router# show startup-config
• router# show flash
• router# show version
8. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)
• VTY interface
• console interface
• Ethernet interface
• secret EXEC mode
• privileged EXEC mode
• router configuration mode
9. To save time, IOS commands may be partially entered and then completed by typing which key or key combination?
• Tab
• Ctrl-P
• Ctrl-N
• Up Arrow
• Right Arrow
• Down Arrow
10. What is the correct command sequence to configure a router host name to ‘LAB_A’?
• Router> enable
Router# configure terminal
Router(config)# hostname LAB_A
• Router> enable
Router# hostname LAB_A
• Router> enable
Router# configure router
Router(config)# hostname LAB_A
• Router> enable
Router(config)# host name LAB_A
11. Refer to the exhibit. From the router console, an administrator is unable to ping a Catalyst switch that is located in another building. What can the administrator do from her location to check the IP configuration of the attached switch?
• Open an SDM session with the switch from her desktop.
• Telnet to the switch from the router console.
• Use the show cdp neighbors detail command from the router console.
• The administrator must go to the switch location and make a console connection to check these settings.
12. Which two options must be selected in SDM Express to enable a router serial interface to obtain an IP address automatically? (Choose two.)
• Easy IP (IP negotiated)
• IP unnumbered
• No IP address
• HDLC encapsulation
• Frame Relay encapsulation
• PPP encapsulation
13. What three settings can be made in the SDM Express basic configuration screen? (Choose three.)
• host name
• DHCP options
• domain name
• interface IP addresses
• enable secret password
• DNS server IP addresses 14. Which tasks can be accomplished by using the command history feature? (Choose two.)
• View a list of commands entered in a previous session.
• Recall up to 15 command lines by default.
• Set the command history buffer size.
• Recall previously entered commands.
• Save command lines in a log file for future reference.
15. What option within Cisco SDM Express must be configured to allow hosts that receive IP address settings from the router to resolve names on the network or Internet?
• host name
• domain name
• DHCP address pool
• DNS server IP address
16. Which three encapsulation types can be set on a serial interface by an administrator who is using SDM Express? (Choose three.)
• ATM
• CHAP
• Frame Relay
• HDLC
• PAP
• PPP
17. Which command will display routing table information about all known networks and subnetworks?
• Router# show ip interfaces
• Router# show ip connections
• Router# show ip route
• Router# show ip networks
18. A network administrator needs to configure a router. Which of the following connection methods requires network functionality to be accessible?
• console
• AUX
• Telnet
• modem
19. Which three pieces of information about a neighbor device can be obtained by the show cdp neighbors command? (Choose three.)
• platform
• routing protocol
• connected interface of neighbor device
• device ID
• IP addresses of all interfaces
• enable mode password
20.Which function is a unique responsibility of the DCE devices shown in the exhibit?
• transmission of data
• reception of data
• clocking for the synchronous link
• noise cancellation in transmitted data
21. Which of the following are functions of NVRAM? (Choose two.)
• stores the routing table
• retains contents when power is removed
• stores the startup configuration file
• contains the running configuration file
• stores the ARP table
22. Refer to the exhibit. Which series of commands will enable users who are attached to Router1 to access the remote server?
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.129 255.255.255.252
Router1(config-if)# clock rate 64000
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.125 255.255.255.252
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.125 255.255.255.252
Router1(config-if)# clock rate 64000
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.129 255.255.255.252
Router1(config-if)# no shutdown
23. A network technician is attempting to add an older workstation to a Cisco switched LAN. The technician has manually configured the workstation to full-duplex mode in order to enhance the network performance of the workstation. However, when the device is attached to the network, performance degrades and excess collision are detected. What is the cause of this problem?
• The host is configured in a different subnet from the subnet of the switch.
• There is a duplex mismatch between the workstation and switch port.
• The switch port is running at a different speed from the speed of the workstation NIC.
• The host has been configured with a default gateway that is different from that of the switch.
24. Which of the following statements are true regarding the user EXEC mode? (Choose two.)
• All router commands are available.
• Global configuration mode can be accessed by entering the enable command.
• A password can be entered to allow access to other modes.
• Interfaces and routing protocols can be configured.
• Only some aspects of the router configuration can be viewed.
25. Which command turns on a router interface?
• Router(config-if)# enable
• Router(config-if)# no down
• Router(config-if)# s0 active
• Router(config-if)# interface up
• Router(config-if)# no shutdown
• host name
• DHCP options
• domain name
• interface IP addresses
• enable secret password
• DNS server IP addresses 14. Which tasks can be accomplished by using the command history feature? (Choose two.)
• View a list of commands entered in a previous session.
• Recall up to 15 command lines by default.
• Set the command history buffer size.
• Recall previously entered commands.
• Save command lines in a log file for future reference.
15. What option within Cisco SDM Express must be configured to allow hosts that receive IP address settings from the router to resolve names on the network or Internet?
• host name
• domain name
• DHCP address pool
• DNS server IP address
16. Which three encapsulation types can be set on a serial interface by an administrator who is using SDM Express? (Choose three.)
• ATM
• CHAP
• Frame Relay
• HDLC
• PAP
• PPP
17. Which command will display routing table information about all known networks and subnetworks?
• Router# show ip interfaces
• Router# show ip connections
• Router# show ip route
• Router# show ip networks
18. A network administrator needs to configure a router. Which of the following connection methods requires network functionality to be accessible?
• console
• AUX
• Telnet
• modem
19. Which three pieces of information about a neighbor device can be obtained by the show cdp neighbors command? (Choose three.)
• platform
• routing protocol
• connected interface of neighbor device
• device ID
• IP addresses of all interfaces
• enable mode password
20.Which function is a unique responsibility of the DCE devices shown in the exhibit?
• transmission of data
• reception of data
• clocking for the synchronous link
• noise cancellation in transmitted data
21. Which of the following are functions of NVRAM? (Choose two.)
• stores the routing table
• retains contents when power is removed
• stores the startup configuration file
• contains the running configuration file
• stores the ARP table
22. Refer to the exhibit. Which series of commands will enable users who are attached to Router1 to access the remote server?
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.129 255.255.255.252
Router1(config-if)# clock rate 64000
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.125 255.255.255.252
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.125 255.255.255.252
Router1(config-if)# clock rate 64000
Router1(config-if)# no shutdown
• Router1(config)# interface S0/0/0
Router1(config-if)# ip address 64.100.0.129 255.255.255.252
Router1(config-if)# no shutdown
23. A network technician is attempting to add an older workstation to a Cisco switched LAN. The technician has manually configured the workstation to full-duplex mode in order to enhance the network performance of the workstation. However, when the device is attached to the network, performance degrades and excess collision are detected. What is the cause of this problem?
• The host is configured in a different subnet from the subnet of the switch.
• There is a duplex mismatch between the workstation and switch port.
• The switch port is running at a different speed from the speed of the workstation NIC.
• The host has been configured with a default gateway that is different from that of the switch.
24. Which of the following statements are true regarding the user EXEC mode? (Choose two.)
• All router commands are available.
• Global configuration mode can be accessed by entering the enable command.
• A password can be entered to allow access to other modes.
• Interfaces and routing protocols can be configured.
• Only some aspects of the router configuration can be viewed.
25. Which command turns on a router interface?
• Router(config-if)# enable
• Router(config-if)# no down
• Router(config-if)# s0 active
• Router(config-if)# interface up
• Router(config-if)# no shutdown
CCNA 2.4
CCNA Discovery 2 Module 4 Exam Answers Version 4.0
1. In an 8 bit binary number, what is the total number of combinations of the eight bits?
• 128
• 254
• 255
• 256
• 512
• 1024
• 128
• 254
• 255
• 256
• 512
• 1024
2. Convert the decimal number 231 into its binary equivalent. Select the correct answer from the list below.
• 11110010
• 11011011
• 11110110
• 11100111
• 11100101
• 11101110
• 11110010
• 11011011
• 11110110
• 11100111
• 11100101
• 11101110
3. How many usable hosts are available given a Class C IP address with the default subnet mask?
• 254
• 255
• 256
• 510
• 511
• 512
• 254
• 255
• 256
• 510
• 511
• 512
4. Which statement describes NAT overload or PAT?
• Each internal address is dynamically translated to an individual external IP address.
• A single internal address is always translated to the same unique external IP address.
• Many internal addresses can be translated to a single IP address using different port assignments.
• Many internal addresses are statically assigned a single IP address and port to use for communications.
• Each internal address is dynamically translated to an individual external IP address.
• A single internal address is always translated to the same unique external IP address.
• Many internal addresses can be translated to a single IP address using different port assignments.
• Many internal addresses are statically assigned a single IP address and port to use for communications.
5. Which IPv4 class of addresses provides the most networks?
• Class A
• Class B
• Class C
• Class D
• Class E
• Class A
• Class B
• Class C
• Class D
• Class E
6. Which statement accurately describes public IP addresses?
• Public addresses cannot be used within a private network.
• Public IP addresses must be unique across the entire Internet.
• Public addresses can be duplicated only within a local network.
• Public IP addresses are only required to be unique within the local network.
• Network administrators are free to select any public addresses to use for network devices that access the Internet.
• Public addresses cannot be used within a private network.
• Public IP addresses must be unique across the entire Internet.
• Public addresses can be duplicated only within a local network.
• Public IP addresses are only required to be unique within the local network.
• Network administrators are free to select any public addresses to use for network devices that access the Internet.
7. Which two statements describe classful IP addresses? (Choose two.)
• It is possible to determine which class an address belongs to by reading the first bit.
• The number of bits used to identify the hosts is fixed by the class of the network.
• Only Class A addresses can be represented by high-order bits 100.
• Up to 24 bits can make up the host portion of a Class C address.
• Up to 24 bits can be used to identify unique networks.
• Three of the five classes of addresses are reserved for multicasts and experimental use.
• It is possible to determine which class an address belongs to by reading the first bit.
• The number of bits used to identify the hosts is fixed by the class of the network.
• Only Class A addresses can be represented by high-order bits 100.
• Up to 24 bits can make up the host portion of a Class C address.
• Up to 24 bits can be used to identify unique networks.
• Three of the five classes of addresses are reserved for multicasts and experimental use.
8. Company XYZ uses a network address of 192.168.4.0. It uses the mask of 255.255.255.224 to create subnets. What is the maximum number of usable hosts in each subnet?
• 6
• 14
• 30
• 62
• 6
• 14
• 30
• 62
9. hat is the network broadcast address for a Class C address of 192.168.32.0 with the default subnet mask?
• 192.168.0.0
• 192.168.0.255
• 192.168.32.0
• 192.168.32.254
• 192.168.32.255
• 192.168.0.0
• 192.168.0.255
• 192.168.32.0
• 192.168.32.254
• 192.168.32.255
10.
Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?
• The host subnet mask is incorrect.
• The default gateway is a network address.
• The default gateway is a broadcast address.
• The default gateway is on a different subnet from the host.
Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?
• The host subnet mask is incorrect.
• The default gateway is a network address.
• The default gateway is a broadcast address.
• The default gateway is on a different subnet from the host.
11. IPv6 increases the IP address size from 32 bits to how many bits?
• 64
• 96
• 128
• 192
• 256
• 512
• 64
• 96
• 128
• 192
• 256
• 512
12. What is the range of the first octet in a Class B address?
• 127 to 191
• 127 to 192
• 128 to 191
• 128 to 192
• 127 to 191
• 127 to 192
• 128 to 191
• 128 to 192
13. Which IPv4 class provides the highest number of host addresses per network?
• Class A
• Class B
• Class C
• Class D
• Class E
• Class A
• Class B
• Class C
• Class D
• Class E
14.
refer to the exhibit. Which range of IP addresses would allow hosts that are connected to the Router1 Fa0/0 interface to access outside networks?
• 192.168.1.0 through 192.168.1.95
• 192.168.1.66 through 192.168.1.94
• 192.168.1.66 through 192.168.1.96
• 192.168.1.0 through 192.168.1.127
• 192.168.1.66 through 192.168.1.128
refer to the exhibit. Which range of IP addresses would allow hosts that are connected to the Router1 Fa0/0 interface to access outside networks?
• 192.168.1.0 through 192.168.1.95
• 192.168.1.66 through 192.168.1.94
• 192.168.1.66 through 192.168.1.96
• 192.168.1.0 through 192.168.1.127
• 192.168.1.66 through 192.168.1.128
15. Which option shows the proper notation for an IPv6 address?
• 2001,0db8,3c55,0015,abcd,ff13
• 2001-0db8-3c55-0015-abcd-ff13
• 2001.0db8.3c55.0015.abcd.ff13
• 2001:0db8:3c55:0015::abcd:ff13
• 2001,0db8,3c55,0015,abcd,ff13
• 2001-0db8-3c55-0015-abcd-ff13
• 2001.0db8.3c55.0015.abcd.ff13
• 2001:0db8:3c55:0015::abcd:ff13
16. What are two reasons that NAT was developed? (Choose two.)
• to preserve registered public IP addresses
• to allow users on the public Internet to access local networks
• to provide a method for privately addressed LANs to participate in the Internet
• to make routing protocols operate more efficiently
• to allow private addresses to be routed on the public Internet
• to reduce overhead and CPU usage on gateway routers
• to preserve registered public IP addresses
• to allow users on the public Internet to access local networks
• to provide a method for privately addressed LANs to participate in the Internet
• to make routing protocols operate more efficiently
• to allow private addresses to be routed on the public Internet
• to reduce overhead and CPU usage on gateway routers
17. What must happen for a privately addressed host on an inside local network to be able to communicate with an outside destination host on the Internet?
• The host IP address must be translated to an outside private address.
• The host IP address must be translated to an inside local address.
• The host IP address must be translated to an outside local address.
• The host IP address must be translated to an inside global address.
• The host IP address must be translated to an outside private address.
• The host IP address must be translated to an inside local address.
• The host IP address must be translated to an outside local address.
• The host IP address must be translated to an inside global address.
18. Which port numbers are used by PAT to create unique global addresses?
• 255 and below
• 1024 and below
• 1025 and above
• 64,000 and above
• 255 and below
• 1024 and below
• 1025 and above
• 64,000 and above
19. Static NAT works by mapping a specific inside local IP address to what other specific address type?
• inside global
• outside local
• outside global
• private IP address
• inside global
• outside local
• outside global
• private IP address
20. What are three advantages of NAT implementations? (Choose three.)
• improved security
• improved router performance
• decreased processor load
• improved scalability
• universal application compatibility
• sharing few public IP addresses with many hosts
• improved security
• improved router performance
• decreased processor load
• improved scalability
• universal application compatibility
• sharing few public IP addresses with many hosts
Rabu, 03 November 2010
CCNA Discovery 2 Module 3 Exam Answers Version 4.0
CCNA Discovery 2 Module 3 Exam Answers Version 4.0
1.Which two benefits can be gained by locating network equipment in a telecommunications closet, rather than in a user area? (Choose two.)
• faster communication speeds
• improved physical security
• more resistant to hacker attempts
• centralized cable management
• less electrical usage
Jawaban
• improved physical security
• centralized cable management
2. Which three issues should be noted on the technician’s site survey report? (Choose three.)
• unlabeled cables
• only two power outlets per wall in each room
• poor physical security of network devices
• horizontal cabling runs under 100 meters
• lack of UPS for critical devices
• two users sharing the same computer
Jawaban
• unlabeled cables
• poor physical security of network devices
• lack of UPS for critical devices
3. Which two types of cable are used for initial router configuration? (Choose two.)
• serial cable
• rollover cable
• straight-through cable
• crossover cable
• patch cable
• console cable
Jawaban
• rollover cable
• console cable
4. In addition to the inventory sheet, what other information about the hosts and networking equipment should be documented by the on-site technician while performing the site survey?
• any obsolete office equipment being stored
• all product keys for site license software
• any planned growth anticipated in the near future
• the memory requirements for installed application software
Jawaban
• any planned growth anticipated in the near future
5. Refer to the exhibit. What type of device is used to connect two networks?
• hub
• router
• switch
• access point
6. It is said that the goal for availability of a communications system is “five-9s”. What is meant by this?
• A down time of .00001% is unacceptable.
• A network needs to be available 99.999% of the time.
• Five percent of all network expense covers 99% of user requirements.
• The most critical time for network availability is from 9:00 to 5:00 p.m. five days a week.
• The best time to do maintenance on a network is from 5:00 p.m. to 9:00 a.m. five days a week.
Jawaban
• A network needs to be available 99.999% of the time.
7. What three things are included in a logical topology document? (Choose three.)
• the location of cables, computers, and other peripherals
• the path that the data takes through a network
• the wireless signal coverage area
• the wiring closet and access point locations
• the device names and Layer 3 addressing information
• the location of routing, network address translation, and firewall filtering
Jawaban
• the path that the data takes through a network
• the device names and Layer 3 addressing information
• the location of routing, network address translation, and firewall filtering
8. Which device has the ability to break up broadcast and collision domains?
• repeater
• hub
• router
• switch
Jawaban
• router
9. Why is it important to review the results of an on-site survey report with the customer before beginning the network design?
• to inform the customer of how much time the upgrade will take
• to discuss the implementation schedule for the new equipment
• to verify that the report accurately describes the current network and any plans for expansion
• to layout the new network design and discuss possible equipment upgrades and replacements
Jawaban
• to verify that the report accurately describes the current network and any plans for expansion
10. A client requires a networking device that is capable of expansion to suit growing network demands. What type of device will suit this requirement?
• a networking device with ports that can be activated and deactivated
• a networking device with a modular physical configuration
• a networking device with the ability to be turned off remotely
• a networking device with a cost per port that is as high as possible
Jawaban
• a networking device with a modular physical configuration
11. What does the use of redundant network components supply to a network?
• scalability
• manageability
• compatibility
• reliability
Jawaban
• reliability
12. What is the benefit for a company to use an ISR router?
• An ISR provides the functionality of a switch, router, and firewall in one device.
• ISRs use a PC operating system for routing traffic, thus simplifying configuration and management.
• An ISR is immune to security attacks by hackers and so replaces all other network security measures.
• ISRs make routing decisions at OSI Layer 7, thus providing more intelligence to the network than do other routers.
Jawaban
• An ISR provides the functionality of a switch, router, and firewall in one device.
13. Which three items are typically found in an MDF? (Choose three.)
• user workstations
• switches and routers
• fax machines
• network equipment racks
• the point of presence
• copier
Jawaban
• switches and routers
• network equipment racks
• the point of presence
14. What are two advantages of having ISP-managed services? (Choose two.)
• does not require leasing costs for service
• can guarantee up to 99.999% availability
• eliminates the need for data backup
• increases availability of help desk services
• does not require a Service Level Agreement
Jawaban
• can guarantee up to 99.999% availability
• increases availability of help desk services
15. A manufacturing company is in the process of a network upgrade. Which two statements are true about the phases of the upgrade process? (Choose two.)
• Phase 1 is used to determine network requirements.
• Phase 2 includes creating an analysis report.
• Phase 3 is based on an implementation schedule that allows extra time for unexpected events.
• Phase 4 is where prototypes are created and tested.
• Phase 5 includes identifying and addressing any weaknesses in the design.
Jawaban
• Phase 1 is used to determine network requirements.
• Phase 3 is based on an implementation schedule that allows extra time for unexpected events.
16. When designing a network upgrade, which two tasks should the onsite technician perform? (Choose two.)
• configure the servers and routers prior to delivery
• upgrade the network operating system and all client operating systems
• investigate and document the physical layout of the premises
• document the final design for approval by the customer
• perform a site survey to document the existing network structure
Jawaban
• investigate and document the physical layout of the premises
• perform a site survey to document the existing network structure
17. What is the term for the location at the customer premise where the customer network physically connects to the Internet through a telecommunications service provider?
• backbone area
• point of presence
• network distribution facility
• intermediate distribution frame
Jawaban
• point of presence
18.
to the exhibit. Which type of twisted pair cable is used between each device?
• A=console, B=straight, C=crossover, D= crossover, E=straight
• A=straight, B=straight, C=straight, D=crossover, E=console
• A=crossover, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=crossover, C=crossover, D=straight, E=straight
19. In what two ways will entering into a managed service agreement with an ISP for a network upgrade affect the costs that are incurred by the customer? (Choose two.)
• Customer IT training costs will increase to enable operation of the new equipment.
• The cost of hardware repairs and support will become the responsibility of the customer.
• Network upgrade and maintenance costs will become predictable.
• Staffing costs will increase because the customer will need to hire additional IT staff to complete the upgrade.
• The company will not need to spend a large amount of money to purchase the equipment upfront.
Jawaban
• Network upgrade and maintenance costs will become predictable.
• The company will not need to spend a large amount of money to purchase the equipment upfront.
20. Which type of cable has a solid copper core with several protective layers including PVC, braided wire shielding, and a plastic covering?
• STP
• UTP
• coaxial
• fiber optic
Jawaban
• coaxial
21. What must be added when a network expands beyond the coverage area of the current telecommunications room?
• MDF
• POP
• IDF
• IXP
Jawaban
• IDF
1.Which two benefits can be gained by locating network equipment in a telecommunications closet, rather than in a user area? (Choose two.)
• faster communication speeds
• improved physical security
• more resistant to hacker attempts
• centralized cable management
• less electrical usage
Jawaban
• improved physical security
• centralized cable management
2. Which three issues should be noted on the technician’s site survey report? (Choose three.)
• unlabeled cables
• only two power outlets per wall in each room
• poor physical security of network devices
• horizontal cabling runs under 100 meters
• lack of UPS for critical devices
• two users sharing the same computer
Jawaban
• unlabeled cables
• poor physical security of network devices
• lack of UPS for critical devices
3. Which two types of cable are used for initial router configuration? (Choose two.)
• serial cable
• rollover cable
• straight-through cable
• crossover cable
• patch cable
• console cable
Jawaban
• rollover cable
• console cable
4. In addition to the inventory sheet, what other information about the hosts and networking equipment should be documented by the on-site technician while performing the site survey?
• any obsolete office equipment being stored
• all product keys for site license software
• any planned growth anticipated in the near future
• the memory requirements for installed application software
Jawaban
• any planned growth anticipated in the near future
5. Refer to the exhibit. What type of device is used to connect two networks?
• hub
• router
• switch
• access point
6. It is said that the goal for availability of a communications system is “five-9s”. What is meant by this?
• A down time of .00001% is unacceptable.
• A network needs to be available 99.999% of the time.
• Five percent of all network expense covers 99% of user requirements.
• The most critical time for network availability is from 9:00 to 5:00 p.m. five days a week.
• The best time to do maintenance on a network is from 5:00 p.m. to 9:00 a.m. five days a week.
Jawaban
• A network needs to be available 99.999% of the time.
7. What three things are included in a logical topology document? (Choose three.)
• the location of cables, computers, and other peripherals
• the path that the data takes through a network
• the wireless signal coverage area
• the wiring closet and access point locations
• the device names and Layer 3 addressing information
• the location of routing, network address translation, and firewall filtering
Jawaban
• the path that the data takes through a network
• the device names and Layer 3 addressing information
• the location of routing, network address translation, and firewall filtering
8. Which device has the ability to break up broadcast and collision domains?
• repeater
• hub
• router
• switch
Jawaban
• router
9. Why is it important to review the results of an on-site survey report with the customer before beginning the network design?
• to inform the customer of how much time the upgrade will take
• to discuss the implementation schedule for the new equipment
• to verify that the report accurately describes the current network and any plans for expansion
• to layout the new network design and discuss possible equipment upgrades and replacements
Jawaban
• to verify that the report accurately describes the current network and any plans for expansion
10. A client requires a networking device that is capable of expansion to suit growing network demands. What type of device will suit this requirement?
• a networking device with ports that can be activated and deactivated
• a networking device with a modular physical configuration
• a networking device with the ability to be turned off remotely
• a networking device with a cost per port that is as high as possible
Jawaban
• a networking device with a modular physical configuration
11. What does the use of redundant network components supply to a network?
• scalability
• manageability
• compatibility
• reliability
Jawaban
• reliability
12. What is the benefit for a company to use an ISR router?
• An ISR provides the functionality of a switch, router, and firewall in one device.
• ISRs use a PC operating system for routing traffic, thus simplifying configuration and management.
• An ISR is immune to security attacks by hackers and so replaces all other network security measures.
• ISRs make routing decisions at OSI Layer 7, thus providing more intelligence to the network than do other routers.
Jawaban
• An ISR provides the functionality of a switch, router, and firewall in one device.
13. Which three items are typically found in an MDF? (Choose three.)
• user workstations
• switches and routers
• fax machines
• network equipment racks
• the point of presence
• copier
Jawaban
• switches and routers
• network equipment racks
• the point of presence
14. What are two advantages of having ISP-managed services? (Choose two.)
• does not require leasing costs for service
• can guarantee up to 99.999% availability
• eliminates the need for data backup
• increases availability of help desk services
• does not require a Service Level Agreement
Jawaban
• can guarantee up to 99.999% availability
• increases availability of help desk services
15. A manufacturing company is in the process of a network upgrade. Which two statements are true about the phases of the upgrade process? (Choose two.)
• Phase 1 is used to determine network requirements.
• Phase 2 includes creating an analysis report.
• Phase 3 is based on an implementation schedule that allows extra time for unexpected events.
• Phase 4 is where prototypes are created and tested.
• Phase 5 includes identifying and addressing any weaknesses in the design.
Jawaban
• Phase 1 is used to determine network requirements.
• Phase 3 is based on an implementation schedule that allows extra time for unexpected events.
16. When designing a network upgrade, which two tasks should the onsite technician perform? (Choose two.)
• configure the servers and routers prior to delivery
• upgrade the network operating system and all client operating systems
• investigate and document the physical layout of the premises
• document the final design for approval by the customer
• perform a site survey to document the existing network structure
Jawaban
• investigate and document the physical layout of the premises
• perform a site survey to document the existing network structure
17. What is the term for the location at the customer premise where the customer network physically connects to the Internet through a telecommunications service provider?
• backbone area
• point of presence
• network distribution facility
• intermediate distribution frame
Jawaban
• point of presence
18.
to the exhibit. Which type of twisted pair cable is used between each device?
• A=console, B=straight, C=crossover, D= crossover, E=straight
• A=straight, B=straight, C=straight, D=crossover, E=console
• A=crossover, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=crossover, C=crossover, D=straight, E=straight
19. In what two ways will entering into a managed service agreement with an ISP for a network upgrade affect the costs that are incurred by the customer? (Choose two.)
• Customer IT training costs will increase to enable operation of the new equipment.
• The cost of hardware repairs and support will become the responsibility of the customer.
• Network upgrade and maintenance costs will become predictable.
• Staffing costs will increase because the customer will need to hire additional IT staff to complete the upgrade.
• The company will not need to spend a large amount of money to purchase the equipment upfront.
Jawaban
• Network upgrade and maintenance costs will become predictable.
• The company will not need to spend a large amount of money to purchase the equipment upfront.
20. Which type of cable has a solid copper core with several protective layers including PVC, braided wire shielding, and a plastic covering?
• STP
• UTP
• coaxial
• fiber optic
Jawaban
• coaxial
21. What must be added when a network expands beyond the coverage area of the current telecommunications room?
• MDF
• POP
• IDF
• IXP
Jawaban
• IDF
ccna 2.2
CCNA Discoery 2 Module 2 Exam Answers Version 4.0
1. Which two functions are provided by the upper layers of the OSI model? (Choose two.)
• placing electrical signals on the medium for transmission
• initiating the network communication process
• encrypting and compressing data for transmission
• segmenting and identifying data for reassembly at the destination
• choosing the appropriate path for the data to take through the network
Jawaban
• initiating the network communication process
• encrypting and compressing data for transmission
2. Which is a function of the transport layer of the OSI model?
• routes data between networks
• converts data to bits for transmission
• delivers data reliably across the network using TCP
• formats and encodes data for transmission
• transmits data to the next directly connected device
Jawaban
• delivers data reliably across the network using TCP
3. Which common Layer 1 problem can cause a user to lose connectivity?
• incorrect subnet mask
• incorrect default gateway
• loose network cable
• NIC improperly installed
Jawaban
• loose network cable
4. Which three command line utilities are most commonly used to troubleshoot issues at Layer 3? (Choose three.)
• ping
• a packet sniffer
• Telnet
• ipconfig
• Traceroute
Jawaban
• ping
• ipconfig
• Traceroute
5. Which address is used by the router to direct a packet between networks?
• source MAC address
• destination MAC address
• source IP address
• destination IP address
Jawaban
• destination IP address
6. What is the correct encapsulation order when data is passed from Layer 1 up to Layer 4 of the OSI model?
• bits, frames, packets, segments
• frames, bits, packets, segments
• packets, frames, segments, bits
• segments, packets, frames, bits
Jawaban
• bits, frames, packets, segments
7. What are two goals of the ISP help desk? (Choose two.)
• conserving support resources
• network optimization
• competitive scalability
• customer retention
• sales of network services
Jawaban
• network optimization
• customer retention
8. In what two ways do Level 1 and Level 2 help desk technicians attempt to solve a customer's problems? (Choose three.)
• talking to the customer on the telephone
• upgrading hardware and software
• using various web tools
• making an onsite visit
• installing new equipment
• with remote desktop sharing applications
Jawaban
• talking to the customer on the telephone
• using various web tools
• with remote desktop sharing applications
9. A customer calls the help desk about setting up a new PC and cable modem and being unable to access the Internet. What three questions would the technician ask if the bottom-up troubleshooting approach is used? (Choose three.)
• Is the NIC link light blinking?
• What is the IP address and subnet mask?
• Can the default gateway be successfully pinged?
• Is the network cable properly attached to the modem?
• Is the Category 5 cable properly connected to the network slot on the PC?
• Can you access your e-mail account?
Jawaban
• Is the NIC link light blinking?
• Is the network cable properly attached to the modem?
• Is the Category 5 cable properly connected to the network slot on the PC?
10. A customer calls to report a problem accessing an e-commerce web site. The help desk technician begins troubleshooting using a top-down approach. Which question would the technician ask the customer first?
• Can you access other web sites?
• Is there a firewall installed on your computer?
• What is your IP address?
• Is the link light lit on your NIC card?
Jawaban
• Can you access other web sites?
11. Which statement describes the process of escalating a help desk trouble ticket?
• The help desk technican resolves the customer problem over the phone and closes the trouble ticket.
• Remote desktop utilities enable the help desk technician to fix a configuration error and close the trouble ticket.
• After trying unsuccessfully to fix a problem, the help desk technician sends the trouble ticket to the onsite support staff.
• When the problem is solved, all information is recorded on the trouble ticket for future reference.
Jawaban
• After trying unsuccessfully to fix a problem, the help desk technician sends the trouble ticket to the onsite support staff.
12. What are two functions of the physical layer of the OSI model? (Choose two.)
• adding the hardware address
• converting data to bits
• encapsulating data into frames
• signal generation
• routing packets
Jawaban
• converting data to bits
• signal generation
13. A customer calls the ISP help desk after setting up a new PC with a cable modem but being unable to access the Internet. After the help desk technician has verified Layer 1 and Layer 2, what are three questions the help desk technician should ask the customer? (Choose three.)
• What is your subnet mask?
• What is your IP address?
• Is the NIC link light blinking?
• Can you ping the default gateway?
• Is the network cable properly attached to the cable modem?
• Is the network cable correctly connected to the network port on the PC?
Jawaban
• What is your subnet mask?
• What is your IP address?
• Can you ping the default gateway?
14. Which scenario represents a problem at Layer 4 of the OSI model?
• An incorrect IP address on the default gateway.
• A bad subnet mask in the host IP configuration.
• A firewall filtering traffic addressed to TCP port 25 on an email server.
• An incorrect DNS server address being given out by DHCP.
Jawaban
• A firewall filtering traffic addressed to TCP port 25 on an email server.
15. What are two basic procedures of incident management? (Choose two.)
• opening a trouble ticket
• using diagnostic tools to identify the problem
• surveying network conditions for further analysis
• configuring new equipment and software upgrades
• adhering to a problem-solving strategy
• e-mailing a problem resolution to the customer
Jawaban
• opening a trouble ticket
• adhering to a problem-solving strategy
16. Which level of support is supplied by an ISP when providing managed services?
• Level 1
• Level 2
• Level 3
• Level 4
Jawaban
• Level 3
17. What is the first step that is used by a help desk technician in a systematic approach to helping a customer solve a problem?
• identify and prioritize alternative solutions
• isolate the cause of the problem
• define the problem
• select an evaluation process
Jawaban
• define the problem
18. A network technician has isolated a problem at the transport layer of the OSI model. Which question would provide further information about the problem?
• Do you have a firewall that is configured on your PC?
• Do you have a link light on your network card?
• Is your PC configured to obtain addressing information using DHCP?
• What default gateway address is configured in your TCP/IP settings?
• Can you ping http://www.cisco.com?
Jawaban
• Do you have a firewall that is configured on your PC?
19. An ISP help desk technician receives a call from a customer who reports that no one at their business can reach any websites, or get their e-mail. After testing the communication line and finding everything fine, the technician instructs the customer to run nslookup from the command prompt. What does the technician suspect is causing the customer's problem?
• improper IP address configuration on the host
• hardware failure of the ISR used to connect the customer to the ISP
• bad cables or connections at the customer site
• failure of DNS to resolve names to IP addresses
Jawaban
• failure of DNS to resolve names to IP addresses
20. Which layers of the OSI model are commonly referred to as the upper layers?
• application, presentation, session
• application, session, network
• presentation, transport, network
• presentation, network, data link
• session, transport, network
Jawaban
• application, presentation, session
1. Which two functions are provided by the upper layers of the OSI model? (Choose two.)
• placing electrical signals on the medium for transmission
• initiating the network communication process
• encrypting and compressing data for transmission
• segmenting and identifying data for reassembly at the destination
• choosing the appropriate path for the data to take through the network
Jawaban
• initiating the network communication process
• encrypting and compressing data for transmission
2. Which is a function of the transport layer of the OSI model?
• routes data between networks
• converts data to bits for transmission
• delivers data reliably across the network using TCP
• formats and encodes data for transmission
• transmits data to the next directly connected device
Jawaban
• delivers data reliably across the network using TCP
3. Which common Layer 1 problem can cause a user to lose connectivity?
• incorrect subnet mask
• incorrect default gateway
• loose network cable
• NIC improperly installed
Jawaban
• loose network cable
4. Which three command line utilities are most commonly used to troubleshoot issues at Layer 3? (Choose three.)
• ping
• a packet sniffer
• Telnet
• ipconfig
• Traceroute
Jawaban
• ping
• ipconfig
• Traceroute
5. Which address is used by the router to direct a packet between networks?
• source MAC address
• destination MAC address
• source IP address
• destination IP address
Jawaban
• destination IP address
6. What is the correct encapsulation order when data is passed from Layer 1 up to Layer 4 of the OSI model?
• bits, frames, packets, segments
• frames, bits, packets, segments
• packets, frames, segments, bits
• segments, packets, frames, bits
Jawaban
• bits, frames, packets, segments
7. What are two goals of the ISP help desk? (Choose two.)
• conserving support resources
• network optimization
• competitive scalability
• customer retention
• sales of network services
Jawaban
• network optimization
• customer retention
8. In what two ways do Level 1 and Level 2 help desk technicians attempt to solve a customer's problems? (Choose three.)
• talking to the customer on the telephone
• upgrading hardware and software
• using various web tools
• making an onsite visit
• installing new equipment
• with remote desktop sharing applications
Jawaban
• talking to the customer on the telephone
• using various web tools
• with remote desktop sharing applications
9. A customer calls the help desk about setting up a new PC and cable modem and being unable to access the Internet. What three questions would the technician ask if the bottom-up troubleshooting approach is used? (Choose three.)
• Is the NIC link light blinking?
• What is the IP address and subnet mask?
• Can the default gateway be successfully pinged?
• Is the network cable properly attached to the modem?
• Is the Category 5 cable properly connected to the network slot on the PC?
• Can you access your e-mail account?
Jawaban
• Is the NIC link light blinking?
• Is the network cable properly attached to the modem?
• Is the Category 5 cable properly connected to the network slot on the PC?
10. A customer calls to report a problem accessing an e-commerce web site. The help desk technician begins troubleshooting using a top-down approach. Which question would the technician ask the customer first?
• Can you access other web sites?
• Is there a firewall installed on your computer?
• What is your IP address?
• Is the link light lit on your NIC card?
Jawaban
• Can you access other web sites?
11. Which statement describes the process of escalating a help desk trouble ticket?
• The help desk technican resolves the customer problem over the phone and closes the trouble ticket.
• Remote desktop utilities enable the help desk technician to fix a configuration error and close the trouble ticket.
• After trying unsuccessfully to fix a problem, the help desk technician sends the trouble ticket to the onsite support staff.
• When the problem is solved, all information is recorded on the trouble ticket for future reference.
Jawaban
• After trying unsuccessfully to fix a problem, the help desk technician sends the trouble ticket to the onsite support staff.
12. What are two functions of the physical layer of the OSI model? (Choose two.)
• adding the hardware address
• converting data to bits
• encapsulating data into frames
• signal generation
• routing packets
Jawaban
• converting data to bits
• signal generation
13. A customer calls the ISP help desk after setting up a new PC with a cable modem but being unable to access the Internet. After the help desk technician has verified Layer 1 and Layer 2, what are three questions the help desk technician should ask the customer? (Choose three.)
• What is your subnet mask?
• What is your IP address?
• Is the NIC link light blinking?
• Can you ping the default gateway?
• Is the network cable properly attached to the cable modem?
• Is the network cable correctly connected to the network port on the PC?
Jawaban
• What is your subnet mask?
• What is your IP address?
• Can you ping the default gateway?
14. Which scenario represents a problem at Layer 4 of the OSI model?
• An incorrect IP address on the default gateway.
• A bad subnet mask in the host IP configuration.
• A firewall filtering traffic addressed to TCP port 25 on an email server.
• An incorrect DNS server address being given out by DHCP.
Jawaban
• A firewall filtering traffic addressed to TCP port 25 on an email server.
15. What are two basic procedures of incident management? (Choose two.)
• opening a trouble ticket
• using diagnostic tools to identify the problem
• surveying network conditions for further analysis
• configuring new equipment and software upgrades
• adhering to a problem-solving strategy
• e-mailing a problem resolution to the customer
Jawaban
• opening a trouble ticket
• adhering to a problem-solving strategy
16. Which level of support is supplied by an ISP when providing managed services?
• Level 1
• Level 2
• Level 3
• Level 4
Jawaban
• Level 3
17. What is the first step that is used by a help desk technician in a systematic approach to helping a customer solve a problem?
• identify and prioritize alternative solutions
• isolate the cause of the problem
• define the problem
• select an evaluation process
Jawaban
• define the problem
18. A network technician has isolated a problem at the transport layer of the OSI model. Which question would provide further information about the problem?
• Do you have a firewall that is configured on your PC?
• Do you have a link light on your network card?
• Is your PC configured to obtain addressing information using DHCP?
• What default gateway address is configured in your TCP/IP settings?
• Can you ping http://www.cisco.com?
Jawaban
• Do you have a firewall that is configured on your PC?
19. An ISP help desk technician receives a call from a customer who reports that no one at their business can reach any websites, or get their e-mail. After testing the communication line and finding everything fine, the technician instructs the customer to run nslookup from the command prompt. What does the technician suspect is causing the customer's problem?
• improper IP address configuration on the host
• hardware failure of the ISR used to connect the customer to the ISP
• bad cables or connections at the customer site
• failure of DNS to resolve names to IP addresses
Jawaban
• failure of DNS to resolve names to IP addresses
20. Which layers of the OSI model are commonly referred to as the upper layers?
• application, presentation, session
• application, session, network
• presentation, transport, network
• presentation, network, data link
• session, transport, network
Jawaban
• application, presentation, session
ccna 2.1
Latihan 2.1
CCNA Discovery 2 Module 1 Exam Answers Version 4.0
1. Which two things can be determined by using the ping command? (Choose two.)
• the number of routers between the source and destination device
• the IP address of the router nearest the destination device
• the average time it takes a packet to reach the destination and for the response to return to the source
• whether or not the destination device is reachable through the network
• the average time it takes each router in the path between source and destination to respond
Jawaban
• the average time it takes a packet to reach the destination and for the response to return to the source
• whether or not the destination device is reachable through the network
2. What are three main types of high-bandwidth connection options used by medium- to large-sized businesses? (Choose three.)
• DSL
• cable modem
• Ethernet
• metro Ethernet
• T1
• T3
Jawaban
• metro Ethernet
• T1
• T3
3. What is the maximum T1 transmission speed?
• 56 kbps
• 128 kbps
• 1.544 Mbps
• 2.4 Mbps
Jawaban
• 1.544 Mbps
4. Which of the following start the test of destination reachability?
• echo request issued by source
• echo reply issued by source
• echo request issued by destination
• echo reply issued by destination
Jawaban
5. Which statement describes a function of a Tier 1 ISP?
• peers with other similarly sized ISPs to form the global Internet backbone
• uses the services of Tier 3 ISPs to connect to the global Internet backbone
• pays Tier 2 ISPs for transit services to connect across continents
• limits the offered services to small geographic areas
Jawaban
6. At which point do individuals and small businesses connect directly to the ISP network to obtain Internet access?
• at a POP
• at an IXP
• at a Metro Ethernet link
• on the ISP extranet
Jawaban
7. What information is contained in the numbered RFCs maintained by the IETF?
• the rules for acceptable use of websites and e-mail
• the descriptions of various hardware components that connect to the Internet
• the specifications and rules for how devices communicate over an IP network
• the standards for cabling and wiring for local Ethernet networks
Jawaban
8. Which network support services team is responsible for testing a new customer connection and for monitoring the ongoing operation of the link?"
• customer service
• help desk
• network operations
• on-site installation
Jawaban
9. Which network support services team identifies whether the client site has existing network hardware and circuits installed?
• customer service
• help desk
• network operations
• planning and provisioning
Jawaban
10. Which ISP network support systems team will typically contact the customer once a new circuit is ready and guide the customer in setting up passwords and other account information?
• help desk
• customer service
• network operations center
• on-site installation team
• planning and provisioning
Jawaban
11. What feature allows network devices to be scalable?
• a fixed number of interfaces
• ease of repair
• modularity
• low maintenance requirements
• low cost
Jawaban
12. Which command generated this output?
• 1 12.0.0.2 4 msec 4 msec 4 msec
• 2 23.0.0.3 20 msec 16 msec 16 msec
• 3 34.0.0.4 16 msec 18 msec 16 msec
• Router# traceroute 34.0.0.4
• Router# nslookup 34.0.0.4
• Router# ping 34.0.0.4
• Router# telnet 34.0.0.4
Jawaban
13. Which network utility helps determine the location of network problems and identifies routers that packets travel across?
• ping
• ipconfig
• traceroute
• ixp
Jawaban
14. What interconnects the Internet backbone?
• gateway routers
• IXPs
• POPs
• satellite dishes
Jawaban
15. What units are used to measure Internet bandwidth?
• bits per second
• bytes per second
• hertz
• megabytes per second
• packets per second
Jawaban
16. The IT manager of a medium-sized business wishes to house the company-owned web servers in a facility that offers round-the-clock controlled access, redundant power, and high-bandwidth Internet access. Which ISP service will fulfill this need?
• web hosting
• planning and provisioning
• application hosting
• equipment colocation
• Tier 1 ISP services
Jawaban
17. What is the purpose of an RFC?
• to provide the connection point for multiple ISPs to the Internet
• to document the development and approval of an Internet standard
• to connect a business to an ISP
• to provide data communication services to ISP customers
• to monitor network performance and connection status of ISP clients
Jawaban
18. When did the Internet become available for use by businesses and consumers?
• 1979
• 1984
• 1991
• 1999
• 2000
Jawaban
19. What was the original purpose of the Internet?
• voice communication
• marketing
• research
• commerce
Jawaban
20. What three support service teams are commonly found within an ISP? (Choose three.)
• help desk
• computer support
• application readiness
• network operations center
• planning and provisioning
• implementation and documentation
Jawaban
1. Which two things can be determined by using the ping command? (Choose two.)
• the number of routers between the source and destination device
• the IP address of the router nearest the destination device
• the average time it takes a packet to reach the destination and for the response to return to the source
• whether or not the destination device is reachable through the network
• the average time it takes each router in the path between source and destination to respond
Jawaban
• the average time it takes a packet to reach the destination and for the response to return to the source
• whether or not the destination device is reachable through the network
2. What are three main types of high-bandwidth connection options used by medium- to large-sized businesses? (Choose three.)
• DSL
• cable modem
• Ethernet
• metro Ethernet
• T1
• T3
Jawaban
• metro Ethernet
• T1
• T3
3. What is the maximum T1 transmission speed?
• 56 kbps
• 128 kbps
• 1.544 Mbps
• 2.4 Mbps
Jawaban
• 1.544 Mbps
4. Which of the following start the test of destination reachability?
• echo request issued by source
• echo reply issued by source
• echo request issued by destination
• echo reply issued by destination
Jawaban
5. Which statement describes a function of a Tier 1 ISP?
• peers with other similarly sized ISPs to form the global Internet backbone
• uses the services of Tier 3 ISPs to connect to the global Internet backbone
• pays Tier 2 ISPs for transit services to connect across continents
• limits the offered services to small geographic areas
Jawaban
6. At which point do individuals and small businesses connect directly to the ISP network to obtain Internet access?
• at a POP
• at an IXP
• at a Metro Ethernet link
• on the ISP extranet
Jawaban
7. What information is contained in the numbered RFCs maintained by the IETF?
• the rules for acceptable use of websites and e-mail
• the descriptions of various hardware components that connect to the Internet
• the specifications and rules for how devices communicate over an IP network
• the standards for cabling and wiring for local Ethernet networks
Jawaban
8. Which network support services team is responsible for testing a new customer connection and for monitoring the ongoing operation of the link?"
• customer service
• help desk
• network operations
• on-site installation
Jawaban
9. Which network support services team identifies whether the client site has existing network hardware and circuits installed?
• customer service
• help desk
• network operations
• planning and provisioning
Jawaban
10. Which ISP network support systems team will typically contact the customer once a new circuit is ready and guide the customer in setting up passwords and other account information?
• help desk
• customer service
• network operations center
• on-site installation team
• planning and provisioning
Jawaban
11. What feature allows network devices to be scalable?
• a fixed number of interfaces
• ease of repair
• modularity
• low maintenance requirements
• low cost
Jawaban
12. Which command generated this output?
• 1 12.0.0.2 4 msec 4 msec 4 msec
• 2 23.0.0.3 20 msec 16 msec 16 msec
• 3 34.0.0.4 16 msec 18 msec 16 msec
• Router# traceroute 34.0.0.4
• Router# nslookup 34.0.0.4
• Router# ping 34.0.0.4
• Router# telnet 34.0.0.4
Jawaban
13. Which network utility helps determine the location of network problems and identifies routers that packets travel across?
• ping
• ipconfig
• traceroute
• ixp
Jawaban
14. What interconnects the Internet backbone?
• gateway routers
• IXPs
• POPs
• satellite dishes
Jawaban
15. What units are used to measure Internet bandwidth?
• bits per second
• bytes per second
• hertz
• megabytes per second
• packets per second
Jawaban
16. The IT manager of a medium-sized business wishes to house the company-owned web servers in a facility that offers round-the-clock controlled access, redundant power, and high-bandwidth Internet access. Which ISP service will fulfill this need?
• web hosting
• planning and provisioning
• application hosting
• equipment colocation
• Tier 1 ISP services
Jawaban
17. What is the purpose of an RFC?
• to provide the connection point for multiple ISPs to the Internet
• to document the development and approval of an Internet standard
• to connect a business to an ISP
• to provide data communication services to ISP customers
• to monitor network performance and connection status of ISP clients
Jawaban
18. When did the Internet become available for use by businesses and consumers?
• 1979
• 1984
• 1991
• 1999
• 2000
Jawaban
19. What was the original purpose of the Internet?
• voice communication
• marketing
• research
• commerce
Jawaban
20. What three support service teams are commonly found within an ISP? (Choose three.)
• help desk
• computer support
• application readiness
• network operations center
• planning and provisioning
• implementation and documentation
Jawaban
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