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  • Question
  • What protocol does PPP use to identify the Network layer protocol?


  • Options
  • A. NCP
  • B. ISDN
  • C. HDLC
  • D. LCP

  • Correct Answer
  • NCP 

    Explanation
    Network Control Protocol is used to help identify the Network layer protocol used in the packet.

  • 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


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