Cisco CCNA mock exam questions sample test – Question 390

.Which command would be used to list the timers, version of spanning tree and the bridge ID of the local and designated switch for a specific VLAN on a Cisco Catalyst 2950 series
switch?

A. show spanning-tree vlan vlan-id
B. show vlan database
C. show vlan vlan-id
D. show vlan brief

Correct Answer: A

Explanation:
The show spanning-tree vlan vlan-id command is correct because this command shows timers, version of spanning tree, and the bridge ID of the local and designated switches for a
specific VLAN on a Cisco Catalyst 2950 series switch.
The show vlan id vlan-id command is incorrect because it will show only the ports assigned to each VLAN.
The show vlan database command is incorrect because this is not a valid Cisco IOS command.
The show vlan brief command is incorrect because this command is used view the entire VLAN database, and does not provide information for a specific VLAN.
Objective:
Infrastructure Management
Sub-Objective:
Use Cisco IOS tools to troubleshoot and resolve problems
References:
Cisco > Cisco IOS LAN Switching Command Reference, Release 12.4 > show vlan