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

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

Cisco > Cisco IOS LAN Switching Command Reference, Release 12.4 > show vlan