You need to configure a new Cisco router to be installed in the Company VOIP network. 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? ()
A. switchport voice vlan vlan-id
B. mls qos trust device cisco-phone
C. switchport priority extend cos_value
D. mls qos trust cos
E. mls qos trust override co