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Data Transmission Network - Multiple Choice Questions and Answers | Page-8

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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 channel coding, attenuation etc.
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(36) Usually information security in a network is achieved by
[A] Layering
[B] Grade of service
[C] Addressing
[D] Cryptography

Comment

Answer: Option [D]
(37) Signal becomes weak with increase in distance travelled because of
[A] Modulation
[B] Attenuation
[C] Switching
[D] None of these

Comment

Answer: Option [B]

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(38) Channel coding is used to
[A] Secure the channel
[B] Minimize interference in the channel
[C] Protect the information against channel noise
[D] Protect against unnecessary tapping of signal from the channel.

Comment

Answer: Option [D]
(39) European-based standard for all fiber system is
[A] SDH
[B] ADH
[C] DTH
[D] FTH

Comment

Answer: Option [A]
(40) Which of the following are the smallest and largest possible values for an IP octet ?
[A] 0 and 512
[B] 255 and 512
[C] 0 and 256
[D] 0 and 255

Comment

Answer: Option [D]

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

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