Câu 24: 300-075: Implementing Cisco IP Telephony and Video Part 2 (CIPTV2)

For which two reasons should you mark AF41 as the audio and video channels of a video call? (Choose two.)

1. A. to allow high-definition quality calls over low-speed links
2. B. to give video calls a higher priority than AF41 in the QoS policy
3. C. to provide separate classes for audio-only calls and video calls
4. D. to prioritize video over other high-priority traffic classes — đáp án hiện tại
5. E. to preserve lip synchronization between the audio and video channels — đáp án hiện tại