Refer to the exhibit.
A controller has been completely configured to support high definition video over wireless. During the testing phase, a packet capture shows the video- stream traffic on the wire as best effort. What needs to be changed in the configuration to support QoS tags properly?
A. add the line mls qos trust cos
B. add the line mls qos trust dscp
C. add the line priority queue in
D. add the line mls qos trust device wlc
