200-301 · Question #1023
In QoS, which prioritization method is appropriate for interactive voice and video?
The correct answer is C. low-latency queuing. Low Latency Queuing (LLQ) is the preferred queuing policy for VoIP audio. Given the stringent delay/jitter sensitive requirements of voice and video and the need to synchronize audio and video for CUVA, priority (LLQ) queuing is the recommended for all video traffic as well. Note
Question
Options
- Atraffic policing
- Bround-robin scheduling
- Clow-latency queuing
- Dexpedited forwarding
How the community answered
(50 responses)- A4% (2)
- B2% (1)
- C94% (47)
Explanation
Low Latency Queuing (LLQ) is the preferred queuing policy for VoIP audio. Given the stringent delay/jitter sensitive requirements of voice and video and the need to synchronize audio and video for CUVA, priority (LLQ) queuing is the recommended for all video traffic as well. Note that, for video, priority bandwidth is generally fudged up by 20% to account for the overhead.
Topics
Community Discussion
No community discussion yet for this question.