200-301: Cisco Certified Network AssociateDemo

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QuestionQ157

IP Connectivity

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Refer to the exhibit. If OSPF is operating on this network, how does Router2 handle traffic from Site B destined for 10.10.13.128/25 at Site A?

  • A It sends packets out of interface Fa0/1.
  • B It sends packets out of interface Fa0/2.
  • C It load-balances traffic out of Fa0/1 and Fa0/2.
  • D It is unreachable and discards the traffic.
Explanation

Router2 has OSPF reachability only to 10.10.13.0/25, and it has two equal-cost paths for that specific subnet. The destination 10.10.13.128/25 is the other half of the 10.10.13.0/24 space, so it does not match the learned route to 10.10.13.0/25. Since the routing table also shows no gateway of last resort, Router2 has no matching route for 10.10.13.128/25 and discards the traffic as unreachable.

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