CCNA 640-802 V14 题库（31-35）

31. Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)

A. amount of RAM

B. bridge priority

C. IOS version

D. IP address

E. MAC address

F. speed of the links

Answer: BE

32. Refer to the exhibit. The two exhibited devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statementsare true of these devices? (Choose three.)

A. The Manchester serial address is 10.1.1.1.

B. The Manchester serial address is 10.1.1.2.

C. The London router is a Cisco 2610.

D. The Manchester router is a Cisco 2610.

E. The CDP information was received on port Serial0/0 of the Manchester router.

F. The CDP information was sent by port Serial0/0 of the London router.

Answer: ACE

33. While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command isissued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSImodel does the problem most likely exist?

A. the session layer

B. the protocol layer

C. the data link layer

D. the access layer

E. the network layer

F. the application layer

Answer: E

34. A network administrator has configured two switches, named London and Madrid, to use VTP. However, theswitches are not sharing VTP messages. Given the command output shown in the graphic, why are these switchesnot sharing VTP messages?

A. The VTP version is not correctly configured.

B. The VTP operating mode is not correctly configured.

C. The VTP domain name is not correctly configured.

D. VTP pruning mode is disabled.

E. VTP V2 mode is disabled.

F. VTP traps generation is disabled.

Answer: C

35. In order to allow the establishment of a Telnet session with a router, which set of commands must be configured?

A. router(config)# line console 0

router(config-line)# enable password cisco

B. router(config)# line console 0

router(config-line)# enable secret cisco

router(config-line)# login

C. router(config)# line console 0

router(config-line)# password cisco

router(config-line)# login

D. router(config)# line vty 0

router(config-line)# enable password cisco

E. router(config)# line vty 0

router(config-line)# enable secret cisco

router(config-line)# login

F. router(config)# line vty 0

router(config-line)# password cisco

router(config-line)# login

Answer: F