200-301: Cisco Certified Network AssociateDemo

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QuestionQ1101

IP Connectivity

Refer to the exhibit. On R14, a static route must be configured to forward traffic to the 172.21.34.0/25 network that is located on R86. Which command should be used to meet this requirement?

Question Image

  • A ip route 172.21.34.0 255.255.255.192 10.73.65.65
  • B ip route 172.21.34.0 255.255.255.128 10.73.65.66
  • C ip route 172.21.34.0 255.255.255.0 10.73.65.65
  • D ip route 172.21.34.0 255.255.128.0 10.73.65.64
Explanation

A static route on Cisco IOS uses the destination network, the correct subnet mask, and the next-hop IP address toward that destination. For 172.21.34.0/25, the mask is 255.255.255.128. On the 10.73.65.64/30 link, the usable addresses are 10.73.65.65 and 10.73.65.66; since R86 is 10.73.65.66, R14 must point the route to 10.73.65.66 as the next hop. That makes the command in choice B the only correct one.

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