Study tips 642-437

What does the IP phone do to resolve this issue?

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 class is always present even though it is not in the configuration snip?

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?

which situation would the trust boundary be located at the access layer?

what is the corresponding binary DSCP class-selector value?

What is the decimal equivalent of the DSCP value AF21?

What are two benefits of using the DiffServ model?