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Communication Network Fundamentals Objective Type Questions and Answers | Page-5

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Download in pdf multiple choice questions(mcqs) & answers on Communication Network Fundamentals. These general awareness quiz objective questions answers include mcqs on virtual circuit-switching, packet switching etc.
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(21) In order to transfer message in a computer network, we use the technique called
[A] Circuit switching
[B] Message switching
[C] Packet switching
[D] None of the above

Comment

Answer: Option [C]
(22) Switching systems
[A] require additional lines
[B] are not used presently
[C] are limited to small data networks
[D] none of the above

Comment

Answer: Option [A]

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(23) A transmission medium in which one station is transmitter and the other station is receiver, is termed as
[A] Simplex
[B] Half duplex
[C] Full duplex
[D] None of the above

Comment

Answer: Option [A]
(24) Communication between a computer and a keyboard involves ______ transmission.
[A] Automatic
[B] Simplex
[C] Hard-duplex
[D] Full-duplex

Comment

Answer: Option [B]
(25) In virtual circuit-switching, the path
[A] To be followed depends on the length of message
[B] Upto next intermediate node is allocated before the transmission of message begins
[C] Upto destination is allocated before the transmission of message begins
[D] None of the above

Comment

Answer: Option [C]
(26) Half duplex operation requires
[A] High speed links
[B] Noiseless channels
[C] Modems at both ends
[D] None of the above

Comment

Answer: Option [D]

Half Duplex operation involves data flow in both direction, but only one direction at a time. It is a two-wire transmission with medium cost and efficiency.

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DATA COMMUNICATION & COMPUTER NETWORKS – MULTIPLE CHOICE QUESTIONS AND ANSWERS | 250 MCQS

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