Cisco Certified Network Associate (CCNA) Practice Exam

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Study for the Cisco Certified Network Associate (CCNA) exam with our comprehensive quiz featuring multiple-choice questions and detailed explanations. Prepare effectively and enhance your understanding of networking concepts!

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Which command shows which OSPF interfaces are assigned to an area?

#show ipv6 ospf interface brief
#show ospf interface
#debug ipv6 ospf adj
#show ipv6 ospf neighbor

The correct answer is: #show ipv6 ospf interface brief

The command that displays which OSPF interfaces are assigned to an area is essential for network administrators who need to troubleshoot or verify their OSPF configuration. The correct choice, which shows OSPF interfaces in specifically referenced areas, provides a summary of all OSPF-enabled interfaces along with their associated areas. This command allows network professionals to quickly ascertain the status of each OSPF interface and its relationship to the OSPF area. It delivers crucial insights into how OSPF is functioning within the network, enabling them to identify if an interface is participating in OSPF and if it is correctly configured to operate in the assigned area. The other options, while related to OSPF, serve different purposes. The command that shows OSPF interfaces would typically provide comprehensive details about the operational state of OSPF interfaces, including their assigned area, metrics, and more, which directly fulfills the requirement of this question.