A customer needs a networking solution that supports their Microsoft Skype for Business Unified Communications (UC) solution. The architect discovers that user wireless devices are Wi-Fi Multimedia (WMM) capable. Windows policies assign voice traffic DSCP 46 and video traffic DSCP 34.
Which potential issue should the architect explain to the customer about the default QoS settings?
Voice and video traffic are assigned different DSCP values (46 for voice and 34 for video) to ensure they receive appropriate prioritization. However, if both DSCP values place traffic into the same WMM queue, which in this case is the video queue, voice traffic will not receive the higher prioritization it requires. This could lead to poorer quality for voice communications, which are typically more sensitive to delays and require more stringent quality of service settings.
Agree with A, as ACDP certification study guide states that DSCP 32-47 values get mapped to WMM queue AV_VI (video)
DSCP typical client mapping 32-47 = WMM queue AC_VI (video)