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QoS Concepts

Authored by Christine Gepiga

Information Technology (IT)

University

Used 2+ times

QoS Concepts
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens when network congestion occurs without QoS mechanisms in place?

High-priority packets are always transmitted first

Packets are processed in the order they are received

Voice and video packets are prioritized by default

Packets are dropped based on size

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a source of delay in a network?

Packetization delay

Propagation delay

Serialization delay

Bandwidth delay

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A network administrator is experiencing high jitter on a video conference call. What is the likely cause of this issue?

Low bandwidth allocation

Congestion on the network

Increased packet size

High packetization delay

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of traffic is most sensitive to delays and drops?

Voice traffic

Data traffic

Email traffic

FTP traffic

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How much bandwidth does video traffic typically require for optimal performance?

30 Kbps

128 Kbps

384 Kbps

1 Mbps

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If video traffic is experiencing a latency of 500 ms, what is the expected outcome?

The video will buffer but eventually play correctly

Video quality will degrade, resulting in choppy playback

No impact as video can tolerate high latency

The video will transmit faster to catch up

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A company is implementing QoS to prioritize voice traffic. Which latency value should they aim to stay below?

100 ms

150 ms

250 ms

400 ms

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