logo

CuriousTab

CuriousTab

Discussion


Home Networking IOS and Security Device Manager See What Others Are Saying!
  • Question
  • What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."


  • Options
  • A. The keepalives are different times.
  • B. The administrator has the interface shut down.
  • C. The administrator is pinging from the interface.
  • D. No cable is attached.

  • Correct Answer
  • The administrator has the interface shut down. 

    Explanation
    If an interface is shut down, the show interface command will show the interface as administratively shut down. (It is possible that no cable is attached, but you can't tell that from this message.)

  • More questions

    • 1. What two multicast addresses does OSPFv3 use?

      1. FF02::A
      2. FF02::9
      3. FF02::5
      4. FF02::6

    • Options
    • A. 2 only
    • B. 3 only
    • C. 1 and 3
    • D. 3 and 4
    • Discuss
    • 2. Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?

      1. show version
      2. show protocols
      3. show interfaces
      4. show controllers
      5. show ip interface

    • Options
    • A. 1, 2 and 4
    • B. 2, 3 and 5
    • C. 3 and 4 only
    • D. None of the above
    • Discuss
    • 3. What is the frequency range of the IEEE 802.11b standard?

    • Options
    • A. 2.4Gbps
    • B. 5Gbps
    • C. 2.4GHz
    • D. 5GHz
    • Discuss
    • 4. 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
    • 5. Your switch has a port status LED that is alternating between green and amber. What could this indicate?

    • Options
    • A. The port is experiencing errors.
    • B. The port is shut down.
    • C. The port is in STP blocking mode.
    • D. Nothing; this is normal.
    • Discuss
    • 6. A network administrator needs to configure a router with a distance-vector protocol that allows classless routing. Which of the following satisfies those requirements?

    • Options
    • A. IGRP
    • B. OSPF
    • C. RIPv1
    • D. EIGRP
    • E. IS-IS
    • Discuss
    • 7. What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

    • Options
    • A. Router(config-if)# no routing
    • B. Router(config-if)# passive-interface
    • C. Router(config-router)# passive-interface s0
    • D. Router(config-router)# no routing updates
    • Discuss
    • 8. Which of the following services use TCP?

      1. DHCP
      2. SMTP
      3. HTTP
      4. TFTP
      5. FTP

    • Options
    • A. 1 and 2
    • B. 2, 3 and 5
    • C. 1, 2 and 4
    • D. 1, 3 and 4
    • Discuss
    • 9. 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
    • Discuss
    • 10. Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

    • Options
    • A. Layer 2
    • B. Layer 3
    • C. Layer 4
    • D. Layer 7
    • Discuss


    Comments

    There are no comments.

Enter a new Comment