Cisco Certified Network Associate (CCNA) Practice Exam

What command would display the entire EIGRP for IPv4 network including successor and feasible successors?

1. #show eigrp topology

2. #show ip eigrp neighbors

3. #debug eigrp notifications

4. #show running-config

The correct answer is: #show eigrp topology

The command to display the entire EIGRP topology for IPv4 networks, including both successor and feasible successor routes, is the command that starts with "show eigrp topology." This command provides vital information about the EIGRP routes learned in the network, categorizing them into successors (routes that are currently being used for forwarding packets) and feasible successors (backup routes that can be used if the primary route fails). When using this command, network engineers can observe the topology's state and gain insights into how the EIGRP process is functioning, including route metrics, the status of each route, and the next hops for the routes. This information is essential for troubleshooting and optimizing the routing based on EIGRP's calculated metrics. The other commands serve different purposes: for instance, the command for EIGRP neighbors shows adjacent EIGRP routers rather than the routing information itself. Debug commands provide live updates and are generally used for real-time monitoring of EIGRP processes, but they do not deliver a comprehensive view like the topology command. Lastly, the running-config command lists the current configuration settings of the router but does not specifically relate to EIGRP routing information.