Cisco Certified Network Associate (CCNA) Practice Exam

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What command displays EIGRP for IPv6 interfaces?

show ipv6 eigrp interfaces
show ipv6 protocols
show ipv6 eigrp neighbors
show ipv6 ospf neighbors

The correct answer is: show ipv6 eigrp interfaces

The command that displays EIGRP for IPv6 interfaces is "show ipv6 eigrp interfaces." This command specifically lists all the interfaces on which Enhanced Interior Gateway Routing Protocol (EIGRP) for IPv6 is configured, providing information such as the status of the interface and whether it is in use for EIGRP operations. This command is crucial for network administrators when they need to verify which interfaces are active for EIGRP, ensuring proper routing and network performance. By using this command, one can quickly assess the readiness of the interfaces to participate in EIGRP for IPv6, making troubleshooting and monitoring more efficient. The other provided commands serve different purposes. For instance, "show ipv6 protocols" offers a summary of the protocols running on the device, but does not specifically focus on EIGRP interfaces. The command "show ipv6 eigrp neighbors" is used to display the neighbors discovered by EIGRP for IPv6, providing insights into the neighboring devices participating in the EIGRP process. Lastly, "show ipv6 ospf neighbors" pertains to Open Shortest Path First (OSPF) and is unrelated to EIGRP, making it not suitable for this context.