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  • Question
  • You are unsuccessful in telnetting into a remote device. What could the problem be?

    1. IP addresses are incorrect.
    2. Access control list is filtering Telnet.
    3. There is a defective serial cable.
    4. The VTY password is missing.


  • Options
  • A. 1 only
  • B. 3 only
  • C. 2 and 4 only
  • D. All of the above

  • 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.

  • Managing a Cisco Internetwork problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

    • Options
    • A. Router> ping
    • B. Router> trace
    • C. Router> show ip route
    • D. Router> show interface
    • Discuss
    • 6. Which three commands can be used to check LAN connectivity problems on a router?

      1. show interfaces
      2. show ip route
      3. tracert
      4. ping
      5. dns lookups

    • Options
    • A. 1 ,2 and 4
    • B. 2 and 5
    • C. 3 and 5
    • D. None of the above
    • Discuss
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. Which command displays the configuration register setting?

    • Options
    • A. show ip route
    • B. show boot version
    • C. show version
    • D. show flash
    • Discuss


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