Discarding policy is mainly done by _______
A. Sender
B. Receiver
C. Router
D. Switch
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In Go-Back-N window, when the timer of the packet times out, several packets have to be resent even some may have arrived safe. Whereas in Selective Repeat window, the sender resends ___________
A. Packet which are not lost
B. Only those packets which are lost or corrupted
C. Packet from starting
D. All the packets
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Retransmission of packets must not be done when _______
A. Packet is lost
B. Packet is corrupted
C. Packet is needed
D. Packet is error-free
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In open-loop control, policies are applied to __________
A. Remove after congestion occurs
B. Remove after sometime
C. Prevent before congestion occurs
D. Prevent before sending packets
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Two broad categories of congestion control are
A. Open-loop and closed-loop
B. Open-control and closed-control
C. Active control and passive control
D. Active loop and passive loop
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In data transfer phase, how many columns does the table contain?
A. 1
B. 2
C. 3
D. 4
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In virtual circuit network, the number of delay times for setup and teardown respectively are _______
A. 1 and 1
B. 1 and 2
C. 2 and 1
D. 2 and 2
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Delay of the resource allocated on demand during data transfer is ________
A. Constant
B. Increases for each packet
C. Same for each packet
D. Different for each packet
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Delay of the resource allocated during setup phase during data transfer is ________
A. Constant
B. Increases for each packet
C. Same for each packet
D. Different for each packet
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During teardown phase, the source, after sending all the frames to destination, sends a _____ to notify termination.
A. Teardown response
B. Teardown request
C. Termination request
D. Termination response
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Word of the Day
28 Aug
Dither
be indecisive.
ذہنی پریشانی، الجھن،افراتفری

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