What are the three possible ways that an IP phone can be instructed to treat the Layer 2 CoS priority value of the attached PC?
Which command should be included in order to trust the DSCP-marked traffic from the distribution layer?
Which two options will satisfy the requirements for the CoS-to-DSCP map and are the correct QoS commands?
How does a switch port that receives marked traffic from a Cisco IP phone use the mls qos trust cos command?