Practice Quiz in Congestion Control and Quality of Service Part 2

(Last Updated On: December 21, 2017)

Practice Quiz in Congestion Control and Quality of Service

This is the Online Practice Quiz in Congestion Control and Quality of Service part 2 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part II of the Online Practice Quiz

Quiz in Congestion Control and Quality of Service

Question 11. ________ is the variation in delay for packets belonging to the same flow.

A. Reliability

B. Delay

C. Jitter

D. Bandwidth


Question 12. The________ normally refers to the maximum length of time the traffic is generated at the peak rate.

A. peak data rate

B. maximum burst size

C. effective bandwidth

D. None of these


Question 13. In a network, after the load reaches the capacity, throughput _______.

A. increases sharply

B. increases proportionally with the load

C. declines sharply

D. declines proportionally with the load


Question 14. Congestion in a network or internetwork occurs because routers and switches have _______.

A. tables

B. queues

C. crosspoints

D. None of these


Question 15. The _______ bucket algorithm allows idle hosts to accumulate credit for the future in the form of tokens.

A. leaky

B. token

C. either (a) or (b)

D. neither (a) nor (b)


Question 16. In Frame Relay, the ________ bit is used to warn the receiver of congestion in the network.

A. BECN

B. FECN

C. either (a) or (b)

D. neither (a) nor (b)


Question 17. In a network, when the load is much less than the capacity of the network, the delay is _________.

A. at a maximum

B. at a minimum

C. constant

D. None of these


Question 18. In ________ we try to avoid traffic congestion.

A. congestion control

B. quality of service

C. either (a) or (b)

D. both (a) and (b)


Question 19. _________ is a class-based QoS model designed for IP.

A. Integrated Services

B. Differentiated Services

C. Connectionless

D. Connection-Oriented


Question 20. In ATM, the _________ class is a best-effort delivery service that does not guarantee anything.

A. CBR

B. VBR

C. ABR

D. UBR

More Practice Quiz in Congestion Control and Quality of Service

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.


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