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MCQ

Q.

In the ______ traffic model, the data rate changes suddenly in a very short time.

A

constant bit rate

B

variable bit rate

C

bursty

D

none of the above

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MCQ

1.

In _________, we try to create an appropriate environment for the traffic

A

congestion control

B

quality of service

C

either (a) or (b)

D

both (a) and (b)

Discussion

MCQ

2.

In a network, when the load reaches the network capacity, the delay _______

A

increases sharply

B

decreases sharply

C

remains constant

D

cannot be predicted

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3.

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)

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4.

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

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5.

In _______ congestion control, mechanisms are used to alleviate congestion after it happens

A

open-loop

B

closed-loop

C

either (a) or (b)

D

neither (a) nor (b)

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