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- Question
Which three commands can be used to check LAN connectivity problems on a router?
- show interfaces
- show ip route
- tracert
- ping
- dns lookups
Options- A. 1 ,2 and 4
- B. 2 and 5
- C. 3 and 5
- D. None of the above
- Correct Answer
- 1 ,2 and 4
ExplanationThe tracert command is a Windows command and will not work on a router! A router uses the traceroute command. - 1. You are unsuccessful in telnetting into a remote device. What could the problem be?
- IP addresses are incorrect.
- Access control list is filtering Telnet.
- There is a defective serial cable.
- The VTY password is missing.
Options- A. 1 only
- B. 3 only
- C. 2 and 4 only
- D. All of the above Discuss
- 2. You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address?
Options- A. Issue the show ip arp command on the router connected to the switch.
- B. Issue the show ip route command on the router connected to the switch.
- C. Issue the show cdp neighbor command on the router connected to the switch.
- D. Issue the show cdp neighbors detail command on the router connected to the switch. Discuss
- 3. The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?
Options- A. RAM should be erased and the router restarted.
- B. Flash should be erased and the router restarted.
- C. NVRAM should be erased and the router restarted.
- D. The new configuration should be entered and saved. Discuss
- 4. If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?
Options- A. Tab+Spacebar
- B. Ctrl+X, then 6
- C. Ctrl+Shift+X, then 6
- D. Ctrl+Shift+6, then X Discuss
- 5. You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?
Options- A. You copied the wrong configuration into RAM.
- B. You copied the configuration into flash memory instead.
- C. The copy did not override the shutdown command in running-config.
- D. The IOS became corrupted after the copy command was initiated. Discuss
- 6. You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in?
Options- A. close
- B. disable
- C. disconnect
- D. exit Discuss
- 7. You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?
Options- A. You must type the show ip rip command first.
- B. IP addressing on the network is incorrect.
- C. You must use the terminal monitor command.
- D. Debug output is sent only to the console. Discuss
- 8. Which command will copy the IOS to a backup host on your network?
Options- A. transfer IOS to 172.16.10.1
- B. copy run start
- C. copy start tftp
- D. copy flash tftp Discuss
- 9. Which command displays the configuration register setting?
Options- A. show ip route
- B. show boot version
- C. show version
- D. show flash Discuss
- 10. The configuration register setting of 0x2102 provides what function to a router?
Options- A. Tells the router to boot into ROM monitor mode
- B. Provides password recovery
- C. Tells the router to look in NVRAM for the boot sequence
- D. Boots the IOS from a TFTP server Discuss
Managing a Cisco Internetwork problems
Search Results
Correct Answer: 2 and 4 only
Explanation:
The best answers, the ones you need to remember, are that either an access control list is filtering the Telnet session or the VTY password is not set on the remote device.
Correct Answer: Issue the show cdp neighbors detail command on the router connected to the switch.
Explanation:
Although option A is certainly the "best" answer, unfortunately option D will work just fine and your boss would probably prefer you to use the
show cdp neighbors detail command.
Correct Answer: NVRAM should be erased and the router restarted.
Explanation:
Before you start to configure the router, you should erase the NVRAM with the
erase startup-config command and then reload the router using the
reload command.
Correct Answer: Ctrl+Shift+6, then X
Explanation:
To keep open one or more Telnet sessions, use the
Ctrl+Shift+6 and then
X keystroke combination.
Correct Answer: The copy did not override the shutdown command in running-config.
Explanation:
Since the configuration looks correct, you probably didn't screw up the copy job. However, when you perform a copy from a network host to a router, the interfaces are automatically shut down and need to be manually enabled with the
no shutdown command.
Correct Answer: exit
Explanation:
Since the question never mentioned anything about a suspended session, you can assume that the Telnet session is still open, and you would just type
exit to close the session.
Correct Answer: You must use the terminal monitor command.
Explanation:
To see console messages through your Telnet session, you must enter the
terminal monitor command.
Correct Answer: copy flash tftp
Explanation:
To copy the IOS to a backup host, which is stored in flash memory by default, use the
copy flash tftp command.
Correct Answer: show version
Explanation:
The
show version command provides you with the current configuration register setting.
Correct Answer: Tells the router to look in NVRAM for the boot sequence
Explanation:
The default configuration setting of 0x2102 tells the router to look in NVRAM for the boot sequence.
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