Practice CCNA Final1.

The show cdp neighbors command is a very useful network troubleshooting tool. Using theoutput in the graphic, select the statements that are true. (Choose two.)

nmlkji

CDP operates at the network layer of the OSI model.

nmlkjThe output of this command displays information about directly connected Ciscodevices only.

nmlkj

The switch is attached to the SanJose1 FastEthernet0/21 interface.

nmlkj

SanJose1 is running CDP version 12.0.

nmlkj

SanJose1 has two fully operational, cdp-enabled Cisco switches directly connected to it.

nmlkjSanJose2 is a 2600 series router running several routed protocols.

2. Which of the following commands will display "Serial0 is up, line protocol is up"?(Choose two.)

nmlkj

Router# show ip route

nmlkjRouter# show protocols

nmlkj

Router# show interfaces

nmlkjRouter# show ip protocols

nmlkj

Router# show running-config

nmlkjRouter# show cdp neighbors detail

3. Which of the following statements are true regarding the command "ip route 192.168.7.24 255.255.255.248 192.168.7.9"?(Choose two.)

nmlkj

A packet destined for host 192.168.7.30 will be forwarded to address 192.168.7.9.

gfedc

192.168.7.9 is the destination network for this route.

nmlkj

192.168.7.24 is the next-hop router in this command.

gfedc

This command is issued from the interface configuration mode.

gfedcbThis command is used to define a static route.

gfedc

The route for this network will be propagated to other routers via RIP.

4. Which of the following statements are true regarding IP default routing? (Choose three.)

gfedcRouter(config-if)# ip default-route 150.150.150.150 will set a default route.

gfedcbRouter(config)# ip default-network 150.150.150.150 will set a default route.

gfedcbDefault routes keep the routing table shorter.

gfedcbA default route is used to forward data when the destination network is not explicitly listed in the routing table.

gfedc

Default routes are automatically created when the routing protocol is enabled.

5. After several configuration changes are made to a router, the copy run start command is issued. Where will the changes bestored?

nmlkj

flash

nmlkj

ROM

nmlkjiNVRAM

nmlkj

RAM

nmlkj

the configuration register

nmlkj

a TFTP server

nmlkj

flash

nmlkj

ROM

nmlkjiNVRAM

nmlkj

RAM

nmlkj

the configuration register

nmlkj

a TFTP server

6. On a Cisco router, which of the following can be configured during setup mode? (Choose three.)

gfedcbIP addresses

gfedc

a message of the day banner

gfedcbrouted protocols

gfedc

the clock rate for a serial interface

gfedcbthe enable password

gfedc

host tables

7.

A network administrator can ping the Denver router, but gets a 'Password Required but None Set' message when trying to connectremotely via Telnet. Which command sequence must be applied to the Denver router to allow remote access?

nmlkjRouter(config)# line console 0Router(config-line)# loginRouter(config-line)# password cisco

nmlkjiRouter(config)# line vty 0 4Router(config-line)# loginRouter(config-line)# password cisco

nmlkjRouter(config)# line virtual terminalRouter(config-line)# enable loginRouter(config-line)# password cisco

nmlkjRouter(config)# line vty 0 4Router(config-line)# enable secretRouter(config-line)# password cisco

nmlkj

Router(config)# enable secret cisco

nmlkjRouter(config)# enable cisco

8. Understanding the differences between PAP and CHAP is essential. Read the items below and determine which are correct.(Choose three.)

gfedcbPAP sends passwords in clear text.

gfedc

PAP uses a 3-way handshake to establish a link.

gfedc

PAP uses the router to control the frequency of login attempts.

gfedc

CHAP uses a 2-way handshake to establish a link.

gfedcbCHAP encrypts the password while providing protection against playback attacks.

gfedcbCHAP uses repeated challenges for verification.

gfedcbPAP sends passwords in clear text.

gfedc

PAP uses a 3-way handshake to establish a link.

gfedc

PAP uses the router to control the frequency of login attempts.

gfedc

CHAP uses a 2-way handshake to establish a link.

gfedcbCHAP encrypts the password while providing protection against playback attacks.

gfedcbCHAP uses repeated challenges for verification.

9. Which commands can a network administrator use to monitor and verify access list operations? (Choose two.)

gfedcRouter# show IOS version

gfedcbRouter# show access-lists

gfedc

Router# show ip route

gfedcRouter# show protocols

gfedcbRouter# show ip interface

gfedcRouter# show cdp neighbor

10. Identify the factors that contribute to congestion on an Ethernet LAN. (Choose three.)

gfedcbimproper placement of enterprise level servers

gfedcbaddition of hosts to a physical segment

gfedc

replacement of hubs with workgroup switches

gfedcbincreasing use of bandwidth intensive network applications

gfedc

creation of new collision domains without first adding network hosts

gfedc

migration to full-duplex Ethernet within the LAN

11. What command will display a list of commands available for viewing the status of the router?

nmlkjRouter# ?show

nmlkjRouter# sh?

nmlkjiRouter# show ?

nmlkjRouter# help

nmlkjRouter# status ?

nmlkjRouter# ?show

nmlkjRouter# sh?

nmlkjiRouter# show ?

nmlkjRouter# help

nmlkjRouter# status ?

12.

Refer to the diagram. All ports on Switch A are in the Sales VLAN and all ports on Switch B are in the Accounting VLAN. How manybroadcast domains and how many collision domains are shown? (Choose two).

gfedc

3 collision domains

gfedcb3 broadcast domains

gfedc

5 broadcast domains

gfedcb9 collision domains

gfedc

10 collision domains

gfedc

13 collision domains

13. Which type of VLAN identification is specified by IEEE 802.1q?

nmlkj

frame filtering

nmlkj

frame switching

nmlkj

frame bridging

nmlkj

frame checking

nmlkjiframe tagging

14.

Refer to the diagram. Two VLANs have been configured on the switch and users have been assigned. Users in the Sales VLAN canping all of the users in their VLAN, but can not ping the users in the HR VLAN. Why is this true? (Choose two.)

gfedc

All users are in one collision domain.

gfedc

All users are in one broadcast domain.

gfedcbA router is required for communication between VLANs.

gfedcbThe users are in separate broadcast domains.

gfedc

The switch has not been assigned an IP address.

15.

Refer to the diagram. Spanning-Tree Protocol is running in all three switches. After running Spanning-Tree Protocol, ports 1,2,3,4, and 5 areplaced in the forwarding state. Which Spanning-Tree state will port 6 be assigned in order to prevent a loop?

nmlkj

listening state

nmlkj

disabled state

nmlkjiblocking state

nmlkj

learning state

nmlkj

forwarding state

16. Which of the following ISDN devices can be directly connected to the local loop? (Choose three.)

gfedc

a router serial port

gfedcban ISDN router with a NT interface

gfedc

an ISDN terminal adapter

gfedcban NT1 device

gfedcban NT1/NT2 device

gfedc

a TE1 device

gfedc

a router serial port

gfedcban ISDN router with a NT interface

gfedc

an ISDN terminal adapter

gfedcban NT1 device

gfedcban NT1/NT2 device

gfedc

a TE1 device

gfedc

a TE1 device

17. Which of the following are true concerning full-duplex operation on an Ethernet network? (Choose three.)

gfedcbThere are no collisions in full-duplex mode.

gfedcbA dedicated switch port is required for each node.

gfedc

Hub ports are preconfigured for full-duplex mode.

gfedc

The host network card must detect the availability of the media before transmitting.

gfedcbThe host network card and the switch port must be capable of operating in full-duplex mode.

18. Which of the following encapsulation methods are available on the ISDN B channel? (Choose three.)

gfedc

DDR

gfedcbHDLC

gfedcbLAPB

gfedc

LAPD

gfedc

LCP

gfedcbPPP

gfedc

DDR

gfedcbHDLC

gfedcbLAPB

gfedc

LAPD

gfedc

LCP

gfedcb

gfedc

LCP

gfedcbPPP

19.

According to the the provided router output, which of the following statements is true regarding PPP operation?

nmlkj

Only the link-establishment phase completed successfully.

nmlkj

Only the network-layer phase completed successfully.

nmlkj

Neither the link-establishment phase nor the the network-layer phase completed successfully.

nmlkjiBoth the link-establishment and network-layer phase completed successfully.

20. Which of the following IOS commands will define the "interesting" traffic that will cause an ISDN link to become active, and whichcommand will assign that definition to an interface? (Choose two.)

gfedcRouter(config)# dialer 100 idle-timeout 180

gfedcbRouter(config)# dialer-list 100 protocol ip permit

gfedcRouter(config)# dialer map ip 192.168.100.1 name sanjose 555 1234

gfedcbRouter(config-if)# dialer-group 100

gfedcRouter(config-if)# dialer 100 string 555-5000

21.

When troubleshooting a network, it is important to interpret the output of various router commands. Using the graphic, identify which of thefollowing statements are true. (Choose three.)

gfedcbThe missing information for Blank 1 is the command show ip route.

gfedcThe missing information for Blank 1 is the command debug ip route.

gfedc

The missing information for Blank 2 is the number 100.

gfedc

The missing information for Blank 3 is the letter R.

gfedcbThe missing information for Blank 3 is the letter I.

gfedcbThe missing information for Blank 4 is the letter C.

22. Which of the following best describes the operation of distance vector routing protocols?

nmlkj

They use hop count as their only metric.

nmlkj

They only send out updates when a new network is added.

nmlkji

They send their routing tables to directly connected neighbors.

nmlkj

They flood the entire network with routing updates.

23. Which of the following is associated with link-state routing protocols?

nmlkj

low processor overhead

nmlkj

poison reverse

nmlkj

routing loops

nmlkj

split horizon

nmlkjishortest-path first calculations

nmlkj

low processor overhead

nmlkj

poison reverse

nmlkj

routing loops

nmlkj

split horizon

nmlkjishortest-path first calculations

24. The output of the show ip interface brief command displays Serial0 is up, line protocol is down. Which of the following are possiblecauses for the line protocol being in the down state? (Choose two.)

gfedc

The clock rate is not set on the DTE.

gfedc

An incorrect default gateway is set on the router.

gfedc

A network is missing from the routing protocol configuration.

gfedcbThe encapsulation on the Serial0 interface is incorrect.

gfedcbKeepalives are not being sent.

25. A router has learned about a network through static and dynamic routing processes. Which of the following routes will be used toreach network 192.168.168.0?

nmlkj

I 192.168.168.0/24 [100/8947] via 192.168.200.1, 00:00:09, Ethernet0

nmlkj

O 192.168.168.0/24 [110/1012] via 192.168.200.1, 00:00:22, Ethernet0

nmlkj

R 192.168.168.0/24 [120/1] via 192.168.200.1, 00:00:17, Ethernet0

nmlkjiS 192.168.168.0/24 [1/0] via 192.168.200.1, 00:00:10, Ethernet0

nmlkj

I 192.168.168.0/24 [100/8947] via 192.168.200.1, 00:00:09, Ethernet0

nmlkj

O 192.168.168.0/24 [110/1012] via 192.168.200.1, 00:00:22, Ethernet0

nmlkj

R 192.168.168.0/24 [120/1] via 192.168.200.1, 00:00:17, Ethernet0

nmlkjiS 192.168.168.0/24 [1/0] via 192.168.200.1, 00:00:10, Ethernet0

26.

A company has outgrown the address space provided by its 192.168.10.0 network. To accommodate new users, the networkadministrator decided to implement VLANs and do the following:

1. Place the users of the 192.168.10.0 network in VLAN 168.2. Assign new users an IP address from the 172.30.10.0/24 network.3. Place users of the 172.30.10.0 network in VLAN 30.

After implementing the planned VLANs and connecting the network as shown in the graphic, the administrator finds that the users inVLAN 30 are unable to access the Internet or communicate with users in VLAN 168. However, VLAN 168 users are able to access theInternet and each other.

Using the graphic, what should be done to enable users in VLAN 30 to communicate with VLAN 168 users and the Internet? (Choosethree.)

gfedcbConfigure E1 with an address in the 172.30.10.0/24 network.

gfedc

Place all VLAN 30 hosts on the same switch.

gfedc

Configure all hosts with 192.168.10.1 as the default gateway.

gfedcbConnect the router's E1 port to a switch port configured for VLAN 30.

gfedc

Connect the router's E1 port to a switch port configured for VLAN 168.

gfedcbAdd the network 172.30.10.0 to the dynamic routing protocol process.

27.

Which hosts will receive ARP requests from host A, assuming that port 4 on both switches is configured to carry traffic for multiple VLANs?(Choose three.)

gfedc

host B

gfedcbhost C

gfedcbhost D

gfedc

host E

gfedcbhost F

28.

A dynamic routing protocol is configured and working on all of the routers shown in the network. The new network, 143.116.123.0/24, wasadded to the configuration of Router E and advertised in its routing table 60 seconds ago. Which of the following statements are trueregarding the new network? (Choose three.)

gfedcbIf RIP is the routing protocol, routers A,B,C,D, and E should display the new network in their routing table.

gfedc

If RIP is the routing protocol, all of the routers should display the new network in their routing table.

gfedc

If IGRP is the routing protocol, routers A,B,C,D, and E should display the new network in their routing table.

gfedcbIf IGRP is the routing protocol, only router E should display the new network in its routing table.

gfedc

If OSPF is the routing protocol, routers B,C, and E should display the new network in their routing table.

gfedcbIf OSPF is the routing protocol, all of the routers should display the new network in their routing table.

29.

The Tampa and Orlando routers have been configured but do not have full connectivity. Using the partial command output and the diagram,which of the following will occur when testing the network?

nmlkj

Tampa and Orlando will not be able to ping each other through the serial interfaces.

nmlkji

Tampa and Orlando will not learn any routes through the RIP process.

nmlkj

Orlando will have all five of the networks listed in its routing table.

nmlkj

Tampa will have all five of the networks listed in its routing table.

30.

The network administrator shown in the graphic is unable to access the TFTP server attached to the Miami router. Consider only the IPaddressing scheme to identify the causes of this problem. (Choose two.)

gfedc

The default gateway configured on the network administrator's workstation is not a valid host address.

gfedcbThe IP address configured on interface E1 of the Miami router is not a valid host address.

gfedc

The IP address of the TFTP server is a subnetwork address.

gfedc

The IP address of the S0 interface of the Detroit router is a broadcast address.

gfedcbThe IP addresses for the Miami S1 interface and the Detroit S0 are not in the same subnet.

31. Assuming that four bits have been borrowed to make subnets, identify the subnet network addresses. (Choose three.)

gfedc

192.168.14.8

gfedcb192.168.14.16

gfedc

192.168.14.24

gfedcb192.168.14.32

gfedc

192.168.14.148

gfedcb192.168.14.208

32 Which of the following are features of a connection-oriented protocol? (Choose two.)

gfedcbdata transport reliability

gfedc

best path determination

gfedcbestablishing, maintaining, and terminating virtual circuits

gfedc

encapsulation of packets in a data frame with source and destination MAC addresses

gfedc

best-effort datagram delivery

33. Which of the following are private IP addresses? (Choose three.)

gfedc

172.168.33.1

gfedcb10.35.66.70

gfedcb192.168.99.5

gfedcb172.18.88.90

gfedc

192.169.77.89

gfedc

127.33.55.16

gfedc

172.168.33.1

gfedcb10.35.66.70

gfedcb192.168.99.5

gfedcb172 18 88 90

192.168.99.5

gfedcb172.18.88.90

gfedc

192.169.77.89

gfedc

127.33.55.16

34. Assuming a subnet mask of 255.255.224.0, which of the following would be valid host addresses? (Choose three.)

gfedcb124.78.103.0

gfedc

125.67.32.0

gfedc

125.78.160.0

gfedcb126.78.48.0

gfedc

176.55.96.0

gfedcb186.211.100.0

gfedcb124.78.103.0

gfedc

125.67.32.0

gfedc

125.78.160.0

gfedcb126.78.48.0

gfedc

176.55.96.0

gfedcb186.211.100.0

35. The router reads each bit to determine the class of an address. Which of the following binary numbers would the router identify aspublic class A addresses? (Choose three.)

gfedc

00001010.10101100.11001100.00000111

gfedcb00011111.11110011.11111111.00111011

gfedcb01011101.11100001.11001100.11011011

gfedc

10000000.11111000.11000111.11110011

gfedcb00010111.11011011.11000001.11001100

36. A network has been assigned the IP address of 156.16.0.0. A decision has been made to divide the network into 1024 subnets.Which of the following commands are required to activate an Ethernet interface and configure it with an address from the 25th subnet of thisnetwork? (Choose two.)

gfedcRouter(config-if)# ip address 156.16.5.0 255.255.255.224

gfedcRouter(config-if)# ip address 156.16.5.0 255.255.255.192

gfedcbRouter(config-if)# ip address 156.16.6.65 255.255.255.192

gfedcRouter(config-if)# ip address 156.16.4.193 255.255.255.192

gfedcbRouter(config-if)# no shutdown

gfedcRouter(config-if)# clockrate 56000

gfedcRouter(config-if)# ip address 156.16.5.0 255.255.255.224

gfedcRouter(config-if)# ip address 156.16.5.0 255.255.255.192

gfedcbRouter(config-if)# ip address 156.16.6.65 255.255.255.192

gfedcRouter(config-if)# ip address 156.16.4.193 255.255.255.192

gfedcbRouter(config-if)# no shutdown

gfedcRouter(config-if)# clockrate 56000

37. Which of the following are examples of TCP/IP application layer protocols? (Choose three.)

gfedcba terminal emulation protocol that supports remote console connections with various network devices

gfedc

a protocol created by IBM that makes it easier for mainframes to connect to remote offices

gfedcba protocol responsible for transporting electronic mail on TCP/IP networks and the Internet

gfedc

a protocol that controls the rate at which data is sent to another computer

gfedcba protocol that exchanges network management information between a network device and a management console

gfedcba terminal emulation protocol that supports remote console connections with various network devices

gfedc

a protocol created by IBM that makes it easier for mainframes to connect to remote offices

gfedcba protocol responsible for transporting electronic mail on TCP/IP networks and the Internet

gfedc

a protocol that controls the rate at which data is sent to another computer

gfedcba protocol that exchanges network management information between a network device and a management console

38. Which of the following are methods of flow control? (Choose three.)

gfedc

positive acknowledgement

gfedcbbuffering

gfedcbcongestion avoidance

gfedc

retransmission

gfedcbwindowing

gfedc

positive acknowledgement

gfedcbbuffering

gfedcbbuffering

gfedcbcongestion avoidance

gfedc

retransmission

gfedcbwindowing

39. Which terms refer to Frame Relay congestion management mechanisms? (Choose three.)

gfedcbBECN

gfedc

CIR

gfedc

DLCI

gfedcbDE

gfedcbFECN

gfedc

LMI

gfedcbBECN

gfedc

CIR

gfedc

DLCI

gfedcbDE

gfedcbFECN

gfedc

LMI

40. Frame Relay is configured over a point-to-point connection between two routers. The output of the show frame-relay pvccommand indicates that the status of this PVC is inactive. Which of the following devices could be the source of the problem? (Choose two.)

gfedc

local router

gfedc

local Frame Relay switch

gfedcbremote router

gfedcbremote Frame Relay switch

41. A serial link between RouterA and RouterB is configured for PPP with PAP authentication. Which of the following additionalcommands are required on the routers in order for RouterB to authenticate to RouterA? (Choose two.)

gfedcbRouterA(config)# username stranger password letmein

gfedcRouterB(config)# username stranger password letmein

gfedcRouterA(config-if)# ppp pap sent-username stranger password letmein

gfedcbRouterB(config-if)# ppp pap sent-username stranger password letmein

42. Which of the following application layer protocols use TCP? (Choose three.)

gfedcbSMTP

gfedcbFTP

gfedc

ICMP

gfedcbTelnet

gfedc

HDLC

gfedc

ISDN

43. Which of the following applications use the UDP protocol? (Choose two.)

gfedc

Telnet

gfedcbSNMP

gfedc

SMTP

gfedc

SQL

gfedcbTFTP

44. What steps are required to implement and assign hosts to VLANs? (Choose two.)

gfedcbCreate the VLANs on a switch.

gfedcbAssign ports to the VLANs.

gfedc

Select the VLAN number on the host machine.

gfedc

Configure the switchports with IP addresses.

gfedcbCreate the VLANs on a switch.

gfedcbAssign ports to the VLANs.

gfedc

Select the VLAN number on the host machine.

gfedc

Configure the switchports with IP addresses.

45. What must be done to enable a network administrator to configure a switch remotely?

nmlkj

The switch must be assigned a host name.

nmlkj

The remote management terminal must be assigned to the management VLAN.

nmlkjiThe management IP address of the switch must be set.

nmlkj

The managment port must be configured for full-duplex operation.

nmlkj

Cisco Discovery Protocol must be active on the switch.

nmlkj

SNMP must be configured with the IP address of the management console.

46.

A switch can be configured for three different forwarding modes based on how much of a frame is received before the forwarding processbegins. Each of the numbered arrows in the accompanying graphic signifies the point in a frame where a particular forwarding mode willbegin. Which one of the following groups reflects the sequence of forwarding modes signified by the numbered arrows?

nmlkji1) fast forward2) fragment free3) store-and-forward

nmlkj

1) store-and-forward2) fragment free3) fast forward

nmlkj

1) fragment free2) fast forward3) store-and-forward

nmlkj

1) fast forward2) store-and-forward3) fragment free

47.

Refer to the partial protocol data unit diagrams shown. Which of the following statements are true regarding the encapsulation process?(Choose three.)

gfedcbPDU #1 is an encapsulated packet.

gfedc

PDU #2 is an application layer PDU

gfedcbPDU #3 is a segment.

gfedc

PDU #4 is a transport layer PDU.

gfedcbThe order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2.

gfedc

The order in which these PDUs are created during the encapsulation process is 2, 1, 4, 3.

48. Which of the following commands will verify Layer 3 reachability between networks?

nmlkjRouter# show ip interface brief

nmlkjiRouter# show ip route

nmlkjRouter# show cdp neighbors

nmlkjRouter# show running-config

nmlkjRouter# show protocols

49. Which layer of the TCP/IP model corresponds with Layer 3 of the OSI model?

nmlkj

the application layer

nmlkj

the network layer

nmlkjithe internet layer

nmlkj

the IP layer

nmlkj

the data-link layer

nmlkj

the network interface layer

nmlkj

the application layer

nmlkj

the network layer

nmlkjithe internet layer

nmlkj

the IP layer

nmlkj

the data-link layer

nmlkj

the network interface layer

50. A network host can ping other hosts on its local LAN segment, but it is unable to ping the IP address of the corporate intranet server onanother subnet. Which of the following are potential causes of this problem? (Choose two.)

gfedc

a faulty patch cable from the host to the communications outlet

gfedc

a NIC hardware resource conflict on the host

gfedcban incorrect subnet mask on the host

gfedcban incorrect default gateway setting on the host

gfedc

a local DNS server failure

51. A router does not load its configuration after a power failure. After running the show startup-configuration command, theadminstrator finds that the original configuration is intact. What is the cause of this problem?

nmlkj

The configuration register is set for 0x2100.

nmlkj

The configuration register is set for 0x2101.

nmlkj

The configuration register is set for 0x2102.

nmlkjiThe configuration register is set for 0x2142.

nmlkj

Boot system commands are not configured.

nmlkj

Flash memory is empty causing the router to bypass the configuration in NVRAM.

nmlkj

The configuration register is set for 0x2100.

nmlkj

The configuration register is set for 0x2101.

nmlkj

The configuration register is set for 0x2102.

nmlkjiThe configuration register is set for 0x2142.

nmlkj

Boot system commands are not configured.

nmlkj

Flash memory is empty causing the router to bypass the configuration in NVRAM.

52. Where should extended access control lists be placed?

nmlkjiThey should be placed as close as possible to the source of the traffic to be denied.

nmlkj

They should be placed as close as possible to the destination of the traffic to be denied.

nmlkj

They should be placed on the fastest interface available.

nmlkj

They should be placed on the destination WAN link.

53. Which of the following statements are true regarding the meaning of the access control list wildcard mask 0.0.0.15? (Choose two.)

gfedc

The first 28 bits of a supplied IP address will be ignored.

gfedcbThe last four bits of a supplied IP address will be ignored.

gfedc

The first 32 bits of a supplied IP address will be matched.

gfedcbThe first 28 bits of a supplied IP address will be matched.

gfedc

The last five bits of a supplied IP address will be ignored.

gfedc

The last four bits of a supplied IP address will be matched.