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Data Link Protocol - Multiple Choice Questions and Answers | Page-5

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Download in pdf multiple choice questions(mcqs) & answers on Data Link Protocol. These networking quiz objective questions answers include mcqs on firewall, bridges, checksum etc.
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(21) Which of the following device is used with an X.25 network to provide service to asynchronous terminals
[A] Gateway
[B] Bridges
[C] Repeater
[D] Packet assembler/disassembler

Comment

Answer: Option [D]
(22) Which of the following summation operation is performed on the bits to check an error-detecting code ?
[A] Attenuation
[B] Codec
[C] Checksum
[D] Coder-decoder

Comment

Answer: Option [C]

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(23) Which of the following allows devices on one network to communicate with devices on another network ?
[A] Modem
[B] Gateway
[C] T-switch
[D] Multiplexer

Comment

Answer: Option [B]
(24) Firewall _____
[A] Does not allow any connections to the server
[B] Allows people on the internet to see just one IP address
[C] Restricts unauthorized users from accessing sensitive data
[D] Manages password functions.

Comment

Answer: Option [C]
(25) The maximum data rate that a medium of 10KHz and signal to noise ratio of 30dB is roughly ____
[A] 10K bps
[B] 30K bps
[C] 100K bps
[D] 300K bps

Comment

Answer: Option [D]

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

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