CCNA认证考试最新真题

11: Which of the following commands allows you to configure a welcoming message whenever you log in to a router?

A. Router(config)# banner message

B. Router(config)# banner motd &

C. Router# banner motd #

D. Router# banner message !
 
12: You need to connect to your 2621XM router to configure an interface. Which of the following methods allows you to connect to and issue commands on the router? (Choose three.)

A. Telnet

B. FTP

C. Console connection

D. AUX connection
 
13: You want to prevent unauthorized users from plugging their laptops into the router. What type of password helps prevent this issue?

A. vty

B. Interface

C. Console

D. Enable
 
14: You have connected to the console port and are running HyperTerminal. You see only scrambled characters and symbols. What is the most likely solution to this problem?

A. Change the connectors.

B. Use a different Terminal program.

C. Reset the router.

D. Adjust the baud rate of your COM port.

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15: Which of the following commands would you type to receive this output shown in the figure above?

A. Show running-config

B. Show startup-config

C. Show ip route

D. Show version
 
16: You are configuring a router named East for authentication with a router named West using CHAP. What username should you configure on East to allow the routers to communicate?

A. East

B. West

C. South

D. North
 
17: What is the default point-to-point encapsulation protocol used on a Cisco router?

A. PPP

B. SLIP

C. HDLC

D. ATM
 
18: What type of handshake occurs with CHAP authentication?

A. One-way

B. Two-way

C. Three-way

D. Mutual
 
19: You have connected to your Cisco router through a Telnet connection. To test one of your connections, you use a debug ip packet command. Even though you are sure traffic is passing through your router, nothing is reported in your terminal window. What is the most likely cause of this problem?

A. There is no debug ip packet command.

B. You need to type in the terminal monitor command to see debug output from a Telnet session.

C. This command displays information only if the interface experiences trouble. No output indicates that the interface is fine.

D. Cisco routers do not allow you to enable debug commands remotely due to security restrictions.

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20: Which of the following commands would you type to see this output on your Cisco router shown in the previous figure?

A. Show version

B. Show running-config

C. Show startup-config

D. Show router setup

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