Refer to the exhibit.Which command must be applied to R2 for an OSPF neighborship to form?

IT Questions BankCategory: CCNPRefer to the exhibit.Which command must be applied to R2 for an OSPF neighborship to form?
Refer to the exhibit.Which command must be applied to R2 for an OSPF neighborship to form? 1ITExamAnswers Staff asked 4 weeks ago
Question:
Refer to the exhibit.Which command must be applied to R2 for an OSPF neighborship to form?

Refer to the exhibit.Which command must be applied to R2 for an OSPF neighborship to form? 2

  • A. network 20.1.1.2.0.0.0.0 area 0
  • B. network 20.1.1.2 255.255.0.0. area 0
  • C. network 20.1.1.2.0.0.255.255 area 0
  • D. network 20.1.1.2 255.255.255 area 0

Explanation: The network 20.0.0.0 0.0.0.255 area (” command on R2 did not cover the IP address of Fal/1 interface of R2 so OSPF did not run on this interface. Therefore we have to use the command “network 20.1.1.2 0.0.255.255 area 0” to turn on OSPF on this interface.
Note: The command “network 20.1.1.2 0.0.255.255 area 0” can be used too so this answer is also correct but answer C is the best answer here.
The network 0.0.0.0 255.255.255.255 area 0 command on R1 will run OSPF on all active interfaces of R1.

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