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 can be used to display general VLAN information on a switch?

#show vlan summary
#show vlan details
#show vlan brief
#vlan show all

The correct answer is: #show vlan brief

The command that displays general VLAN information on a switch is `#show vlan brief`. This command provides a concise summary of all VLANs configured on the switch, including their VLAN IDs, names, and status. It allows network administrators to quickly view the current VLAN configuration without overwhelming detail, making it efficient for troubleshooting or verification purposes. The output typically lists each VLAN with essential details, enabling easy identification of active VLANs and facilitating network management. This capability is especially useful for ensuring that necessary VLANs are correctly set up and operational. Other commands mentioned, such as `#show vlan summary`, `#show vlan details`, and `#vlan show all`, do not exist in standard Cisco IOS or provide information in a different context, making them less suitable for retrieving general VLAN information in a clear and brief format. Therefore, `#show vlan brief` stands out as the most appropriate choice for this task.