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 displays information about all OSPF v. 3 routers on the network?

show ipv6 ospf
show ipv6 ospf database
show ipv6 ospf interface
show ipv6 route

The correct answer is: show ipv6 ospf database

The command that displays information about all OSPFv3 routers on the network is indeed the one that shows the OSPF database. This command provides detailed information about the OSPFv3 routers, including their states and the routes they are advertising. When you run this command, it reveals the Link-State Database (LSDB), which contains all the learned OSPF information, such as neighbor relationships, which is crucial for understanding the OSPFv3 topology and the status of various routers in the network. The other commands serve different purposes. For instance, one option focuses on showing the general OSPF configuration and settings without detailing the database, while another command is intended to describe the interfaces participating in OSPF, which does not provide a comprehensive view of all routers. Lastly, another command relates to IPv6 routing tables rather than specifically to OSPFv3. Understanding the specific roles of these commands helps users effectively gather OSPF information for troubleshooting and network analysis.