Cisco 100-105 Exam

A network administrator is trying to add a new router into an established OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in the partial configuration shown below, what configuration error is causing this problem?

Router(config)# router ospf 1 –
Router(config-router)# network area 0

  • A. The process id is configured improperly.
  • B. The OSPF area is configured improperly.
  • C. The network wildcard mask is configured improperly.
  • D. The network number is configured improperly.
  • E. The AS is configured improperly.
  • F. The network subnet mask is configured improperly.
Answer: Option C.

When configuring OSPF, the mask used for the network statement is a wildcard mask similar to an access list. In this specific example, the correct syntax would have been “network area 0.”

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