An enterprise started using WebEx as a virtual meeting solution. There is a concern that the existing wireless network will not be able to support the increased...

An enterprise started using WebEx as a virtual meeting solution. There is a concern that the existing wireless network will not be able to support the increased amount of traffic as a result of using WebEx. An engineer needs to remark the QoS value for this application to ensure high quality in meetings. What must be implemented to accomplish this task?

A. QoS preferred call index B. UP to DSCP map C. AVC profiles D. WLAN quality of service profile