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Home Networking IP Routing See What Others Are Saying!
  • Question
  • Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?


  • Options
  • A. The updated information will be added to the existing routing table.
  • B. The update will be ignored and no further action will occur.
  • C. The updated information will replace the existing routing table entry.
  • D. The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.

  • Correct Answer
  • The update will be ignored and no further action will occur. 

    Explanation
    When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However, if two routes are received and they both have the same AD, then the router will choose the one route with the lowest metrics, or in RIP's case, hop count.

  • More questions

    • 1. Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression?

    • Options
    • A. PPP
    • B. PPPoA
    • C. PPPoE
    • D. Token Ring
    • Discuss
    • 2. What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?

    • Options
    • A. NAT
    • B. Static
    • C. Dynamic
    • D. PAT
    • Discuss
    • 3. What is the frequency range of the IEEE 802.11g standard?

    • Options
    • A. 2.4Gbps
    • B. 5Gbps
    • C. 2.4GHz
    • D. 5GHz
    • Discuss
    • 4. Which class of IP address has the most host addresses available by default?

    • Options
    • A. A
    • B. B
    • C. C
    • D. A and B
    • Discuss
    • 5. How many non-overlapping channels are available with 802.11a?

    • Options
    • A. 3
    • B. 12
    • C. 23
    • D. 40
    • Discuss
    • 6. You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?
      R    192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
      C    192.168.40.0/24 is directly connected, Serial0
           172.16.0.0/24 is subnetted, 1 subnets
      C    172.16.30.0 is directly connected, Loopback0
      R    192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
      R    10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0
      C    192.168.50.0/24 is directly connected, Ethernet0

    • Options
    • A. 172.16.30.0
    • B. 192.168.30.0
    • C. 10.0.0.0
    • D. All of them will be placed in the neighbor routing table.
    • Discuss
    • 7. You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?

    • Options
    • A. (config)# ip access-group 110 in
    • B. (config-if)# ip access-group 110 in
    • C. (config-if)# ip access-group Blocksales in
    • D. (config-if)# blocksales ip access-list in
    • Discuss
    • 8. What multicast addresses does RIPng use?

    • Options
    • A. FF02::A
    • B. FF02::9
    • C. FF02::5
    • D. FF02::6
    • Discuss
    • 9. What is the maximum distance running the lowest data rate for 802.11a?

    • Options
    • A. About 100 feet
    • B. About 175 feet
    • C. About 300 feet
    • D. About 350 feet
    • Discuss
    • 10. Which of the following is considered to be the destination host before translation?

    • Options
    • A. Inside local
    • B. Outside local
    • C. Inside global
    • D. Outside global
    • Discuss


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