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Data Transmission Network - Multiple Choice Questions and Answers | Page-4

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Download in pdf multiple choice questions(mcqs) & answers on Data Transmission Network. These general awareness quiz objective questions answers include mcqs on analog communication, satellite communication etc.
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(16) For carrying digital data over long distance using digital signal, at appropriately spaced points, we must have
[A] Amplifiers
[B] Repeater
[C] Either amplifiers or repeater
[D] None of the above

Comment

Answer: Option [C]
(17) An example of digital, rather than analog communication is
[A] DDD
[B] WATS
[C] DDT
[D] DDS

Comment

Answer: Option [D]

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(18) What are the most commonly used transmission speeds in BP used in data communication ?
[A] 300
[B] 1200
[C] 2400
[D] 9600

Comment

Answer: Option [D]
(19) In satellite communication, up-link frequency and downlink frequencies are different because:
[A] By this method interference can be avoided
[B] By this method full duplex operation can be carried out.
[C] This is the usual convention in satellite communication.
[D] None of the above

Comment

Answer: Option [A]
(20) Frequency range of human voice and audible to human ears is usually in the range of
[A] 200 KHz to 600 KHz
[B] 400 Hz to 3.4 KHz
[C] 100 MHz to 400 MHz
[D] None of the above

Comment

Answer: Option [B]

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

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