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Home Networking IP Routing See What Others Are Saying!
  • Question
  • Which statement is true regarding classless routing protocols?

    1. The use of discontiguous networks is not allowed.
    2. The use of variable length subnet masks is permitted.
    3. RIPv1 is a classless routing protocol.
    4. IGRP supports classless routing within the same autonomous system.
    5. RIPv2 supports classless routing.


  • Options
  • A. 1, 3 and 5
  • B. 3 and 4
  • C. 2 and 5
  • D. None of the above

  • Correct Answer
  • 2 and 5 

    Explanation
    Classful routing means that all hosts in the internetwork use the same mask. Classless routing means that you can use Variable Length Subnet Masks (VLSMs) and can also support discontiguous networking.

  • More questions

    • 1. How many non-overlapping channels are available with 802.11g?

    • Options
    • A. 3
    • B. 12
    • C. 23
    • D. 40
    • 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. What is the frequency range of the IEEE 802.11a standard?

    • Options
    • A. 2.4Gbps
    • B. 5Gbps
    • C. 2.4GHz
    • D. 5GHz
    • Discuss
    • 4. How many non-overlapping channels are available with 802.11b?

    • Options
    • A. 3
    • B. 12
    • C. 23
    • D. 40
    • Discuss
    • 5. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

    • Options
    • A. 14
    • B. 15
    • C. 16
    • D. 30
    • Discuss
    • 6. What are two purposes for segmentation with a bridge?

      1. To add more broadcast domains.
      2. To create more collision domains.
      3. To add more bandwidth for users.
      4. To allow more broadcasts for users.

    • Options
    • A. 1 only
    • B. 2 and 3
    • C. 2 and 4
    • D. 4 only
    • Discuss
    • 7. Why does the data communication industry use the layered OSI reference model?

      1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
      2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
      3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.
      4. It encourages industry standardization by defining what functions occur at each layer of the model.

    • Options
    • A. 1 only
    • B. 1 and 4
    • C. 2 and 3
    • D. 3 only
    • Discuss
    • 8. Which of the following allows a router to respond to an ARP request that is intended for a remote host?

    • Options
    • A. Gateway DP
    • B. Reverse ARP (RARP)
    • C. Proxy ARP
    • D. Inverse ARP (IARP)
    • Discuss
    • 9. Which of the following statements are true regarding the command ip route 172.16.4.0 255.255.255.0 192.168.4.2?

      1. The command is used to establish a static route.
      2. The default administrative distance is used.
      3. The command is used to configure the default route.
      4. The subnet mask for the source address is 255.255.255.0.

    • Options
    • A. 1 and 2
    • B. 2 and 4
    • C. 3 and 4
    • D. All of the above
    • Discuss
    • 10. What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?

    • Options
    • A. 0x2100
    • B. 0x2101
    • C. 0x2102
    • D. 0x2142
    • Discuss


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