Which three interface commands will configure the switch port to support a connected Cisco
phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is
attached? (Choose three.)
A.
mls qos trust cos
B.
mls qos trust override cos
C.
switchport voice vlan vlan-id
D.
switchport priority extend cos_value
E.
mls qos trust device cisco-phone