Implementing and Operating Cisco Collaboration Core Technologies (CLCOR) — Question 202

What is the traffic classification for voice and video conferencing?

Answer options

• A. Voice is classified as CoS 4, and video conferencing is CoS 5.
• B. Voice is classified as CoS 5, and video conferencing is CoS 4.
• C. Voice and video conferencing are both classified is CoS 3.
• D. Video conferencing is classified as CoS 1, and voice is CoS 2.

Correct answer: B

Explanation

The correct answer is B because voice traffic is prioritized higher than video conferencing, with voice assigned CoS 5 and video conferencing CoS 4. Options A, C, and D misclassify the priority levels, failing to recognize that voice has a higher classification than video conferencing.