Refer to the exhibit. Which statement is true about a voice VLAN？（）
Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（）
Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（）
Refer to the exhibit. When a profile is configured in the Aironet Desktop Utility， which security option permits the configuration of host-based Extensible Authentication Protocol （EAP）？（）
