You create VLAN 12 to be used for voice. Which command configures VLAN 12 to be used for voice and a Catalyst 3524?

A.
switchport voice vlan 12

B.
switchport auxiliaryvlan 12

C.
switchport trunk voice vlan 12

D.
switchport access voice clan 12

Explanation:
switchportvoice vlan
To configure the voice VLAN on the port, use the switchport voice vlan command in interface configuration mode. To return the setting to its default, use the no form of this command.
switchport voice vlan {vlan-id | dot1p | none | untagged} no switchport voice vlan
Syntax Description