Which two options are related to QoS settings on Cisco Communications Manager servers?

You are asked to help a customer administrator to set Quality of Send options obsteiwide. Which two options are related to QoS settings on Cisco Communications Manager servers? (Choose two)
A. You can Configure DSCP values for video calts, audio portion of video calls, and immersive video differently.
B. you can configure clusterwide QoS parameters in "Cisco CallManager" Service Parameter section within the call and the portion on any server within the cluster where "Cisco CallManager" service has been activated.
C. Audio calls and the audio portion of video calls are tagged with DSCP value 46.
D. You can configure clusterwide QoS parameters only in the Enterprise Parameter section on the Publisher.
E. The option -DSCP lot Video" sets the DSCP value for all types of video to the same value.