Implementing and Operating Cisco Collaboration Core Technologies (CLCOR) — Question 91

Which recommendation is the best practice for marking video and voice media in a Cisco Unified Communications network?

Answer options

• A. Voice Cos 5 (IP Precedence 6, PHB AF41, or DSCP 16) Video Cos 4 (IP Precedence 5, PHB EF, or DSCP 32)
• B. Voice Cos 6 (IP Precedence 4, PHB AF41, or DSCP 24) Video Cos 5 (IP Precedence 4, PHB EF, or DSCP 34)
• C. Voice Cos 5 (IP Precedence 2, PHB EF, or DSCP 48) Video Cos 4 (IP Precedence 4, PHB AF41, or DSCP 46)
• D. Voice Cos 5 (IP Precedence 5, PHB EF, or DSCP 46) Video Cos 4 (IP Precedence 4, PHB AF41, or DSCP 34)

Correct answer: D

Explanation

Option D is the correct choice because it aligns with best practices for prioritizing voice and video traffic in a Cisco Unified Communications network, ensuring optimal performance. The other options either assign incorrect values or do not prioritize the traffic effectively, which could lead to degraded service quality.