CAS-002 Question #488: Real Exam Question with Answer & Explanation

The correct answer is A: Video payload. A user can divide network traffic into the following three classes of service: - Voice payload: Voice calls are a major part of network traffic, so a network traffic is mainly divided in this class. - Video payload: Video traffic has variable packet rates and slightly variable bi

Question

A user can divide network traffic into which of the following classes of service? Each correct answer represents a complete solution. Choose three.

Options

AVideo payload
BVoice and video payload
CVoice payload
DVoice and video signal traffic

Explanation

A user can divide network traffic into the following three classes of service: - Voice payload: Voice calls are a major part of network traffic, so a network traffic is mainly divided in this class. - Video payload: Video traffic has variable packet rates and slightly variable bit rates, so this class is used to separate the video traffic. - Voice and video signal traffic: This traffic is treated as a data application in QoS. In this class, protocols are used to tolerate jitter and delay. Answer option B is incorrect. It is not a valid option.

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