You're about to deploy an Enterprise-class VoWLAN infrastructure. You need to ensure that QoS is properly configured throughout the network. What Access Category (AC) should voice frames/packets use?
In Wi-Fi networks, Quality of Service (QoS) is managed through the Wi-Fi Multimedia (WMM) specification, which categorizes traffic into four Access Categories (ACs):
AC_VO (Voice)
AC_VI (Video)
AC_BE (Best Effort)
AC_BK (Background)
Voice traffic is highly sensitive to latency and jitter, requiring the highest priority to ensure call quality. Therefore, voice frames should be mapped to theAC_VOcategory.
The CWDP-305 Official Study and Reference Guide emphasizes:
"Voice traffic should be assigned to the AC_VO category to ensure the highest priority and minimal latency."
[Reference: CWDP-305 Official Study and Reference Guide, Chapter on Designing for Specific Applications, , ]
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