思科认证考试CCNA考试七十九题(4)[1]

【网络综合 - Cisco认证试题】
无忧考网为大家收集整理了《思科认证考试CCNA考试七十九题(4)》供大家参考，希望对大家有所帮助！！！

31. Which of the following will show you the clock?

A. cl? B. Cl ? C. Clock? D. Clock ?

Answer D. By typing this the router will finish the command and show the clock.

32. CDP operates at which layer?

A. Transport B. Network C. Data link D. Physical

Answer C. CDP allows a network device to exchange frames with other directly
connected networked devices.

33. Which command does not show two devices are not routing packets between them
successfully?

A. ping B. show interface C. trace D. telnet

Answer A C D. With these commands you can tell whether or not you have
communication. Show interface just verifies there is a connection

34. What keystrokes shows the possible commands in privilege mode?

A. help B. h C. ctrl+h D. ?

Answer D. Answers A and B will give a brief description when typed, and C is not
valid.

35. Which two items contain versions of the router s configuration file?

A. flash B. nvram C. ram D. rom

Answer B C. A and D contain the OS.

36. Which of the following commands will allow youto review the contents of RAM?

A. show configuration B. show protocols C. show version
D. show running-config E. show startup-config

Answer B C D. A and D allow you to see NVRAM.

37. Which of the following will allow you to add, modify, or delete commands in the
startup configuration file?

A. show startup-config B. show running-config
C. configure terminal D. configure memory

Answer D. Answer C allows you to change items in the running configuration file

38. Which command would be used to restore a configuratio n file to RAM?
________TFTP running-config

A. router#copy B. router>copy
C. router*copy D. router^copy

Answer A. You must be in privilege mode when executing this, which is why youCisco认证