200-301 Question #552: Real Exam Question with Answer & Explanation

The correct answer is D: network 10.0.0.0 0.0.0.255 area 0. The network command under the OSPF routing process activates OSPF on interfaces whose IP addresses fall within the specified range.

Submitted by amina.ke· Mar 5, 2026IP Connectivity

Question

Refer to the exhibit. Which command configures OSPF on the point-to-point link between routers R1 and R2?

Options

Arouter-id 10.0.0.15
Bneighbor 10.1.2.0 cost 180
Cipospf priority 100
Dnetwork 10.0.0.0 0.0.0.255 area 0

Explanation

The network command under the OSPF routing process activates OSPF on interfaces whose IP addresses fall within the specified range.

Common mistakes.

A. The router-id command sets the global OSPF router identifier and is necessary but does not enable OSPF on specific links or interfaces.

Concept tested. OSPF network command configuration

Reference. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/15-mt/iro-15-mt-book/iro-cfg-ospfv2.html#GUID-E1A334E6-30D4-411B-87CF-E9703E79477B

Topics

#OSPF configuration#OSPF network command#Cisco IOS commands

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