QuestionQ1042

IP Connectivity

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Refer to the exhibit. When router R1 sends traffic to IP address 10.56.192.1, which interface or next-hop address is used to route the packet?

  • A 10.56.0.1
  • B 0.0.0.0/0
  • C Vlan57
  • D 10.56.128.19
Explanation

Routers forward using the longest-prefix match. The destination 10.56.192.1 is not contained in either connected network shown: 10.56.0.0/17 or 10.56.128.0/18. Because no more specific route matches, R1 uses the default route 0.0.0.0/0, which points to next hop 10.56.0.1. That makes the forwarding choice the next-hop address 10.56.0.1.

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