MCQ Questions with Answers on Data Communication and Computer Networks

Questions

1 In circuit-switching, the path

A upto destination is allocated before the transmission of message begins

B upto next intermediate node is allocated before the transmission of message begins

C to be followed depends on the length of the message

D none of the above

Answer: Option [A]

In Circuit-switching the two source and destination nodes establish a dedicated communication channel before the actual begins.

2 In which of the following networks, reassembly buffers are required ?

A Packet-switched networks

B Circuit-switched networks

C Message-switched networks

D None of these

Answer: Option [B]

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3 Which of the networks allow different speed links ?

A Message-switched networks

B Packet-switched networks

C Circuit-switched networks

D None of these above

Answer: Option [B]

Packet switched networks allow different speed links. This network arranges all transmitted data suitable sized block called packets.

4 Switching systems

A are limited to small data networks

B require additional lines

C are not used presently

D none of these

Answer: Option [B]

5 Which of the following networks supports pipelining effect ?

A Circuit-switched networks

B Message-switched networks

C Packet-switched networks

D None of the above

Answer: Option [C]