Cisco Certified Network Professional Practice Test

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How can you view the Adjacency Table in a Cisco environment?

  1. Using the command "show ip route"

  2. With the command "show adjacency [type member/module/number | vlan vlan-id][summary detail]"

  3. Through the command "show interfaces status"

  4. By entering the command "display adjacency-table"

The correct answer is: With the command "show adjacency [type member/module/number | vlan vlan-id][summary detail]"

Viewing the Adjacency Table in a Cisco environment is achieved through the specific command designed for this purpose, which allows network professionals to see how devices on the network are connected to each other. The command "show adjacency [type member/module/number | vlan vlan-id][summary detail]" is particularly crafted to display adjacency information, including details about the state of connections between devices, which can include information about various types of network topologies. The other commands listed, while useful for different functions in network management, do not specifically provide the adjacency information. For instance, the command "show ip route" focuses primarily on the routing table, detailing the routes known to the router rather than the adjacency of the devices. The command "show interfaces status" provides the status of the interfaces but does not detail the relationship between adjacent devices. Lastly, "display adjacency-table" is not typically recognized as a command in Cisco IOS, indicating this choice does not conform to standard Cisco command syntax. By utilizing the correct command for viewing the adjacency table, one can assess the neighbors and their conditions, which is crucial for troubleshooting and optimizing network performance.