Cisco Certified Network Associate (CCNA) Practice Exam

Which command can be used to verify OSPF parameters including timers and authentication for an interface?

1. #show ipv6 interface brief

2. #show ipv6 ospf interface

3. #show ipv6 status

4. #show ipv6 parameters

The correct answer is: #show ipv6 ospf interface

The command to verify OSPF parameters, including timers and authentication for an interface, is indeed the one that specifically pertains to OSPF in the context of IPv6. By using the command that includes "ospf" along with "interface," you can obtain detailed information regarding the OSPF configuration for a specified interface. This information typically encompasses OSPF timers such as the hello and dead intervals, as well as details about any authentication configured for OSPF. This command is designed to focus on OSPF's functioning at the interface level, providing insights that are crucial for troubleshooting and ensuring OSPF operates as expected. Understanding these parameters is vital for network engineers, as they can influence the behavior of OSPF routing, particularly in terms of convergence and network stability. Other options do not accurately target OSPF-related information. For instance, commands that mention "status" or "parameters" without the specific context of OSPF would not yield the desired insight into OSPF timers and authentication settings. Consequently, the chosen command is the most effective for this purpose.