Top 1000+ Solved Computer Networks MCQ Questions Answer

From 46 to 60 of 952

Q. Which one of the below is not an component of Internet mail system

a. user agent

b. smtp sender

c. smtp receiver

d. transfer agent

  • d. transfer agent

Q. Application layer is implemented in ____________

a. end system

b. nic

c. ethernet

d. packet transport

  • a. end system

Q. Transport layer is implemented in ______________

a. end system

b. nic

c. ethernet

d. signal transmission

  • a. end system

Q. The functionalities of the presentation layer include ____________

a. data compression

b. data encryption

c. data description

d. all of the mentioned

  • d. all of the mentioned

Q. Delimiting and synchronization of data exchange is provided by __________

a. application layer

b. session layer

c. transport layer

d. link layer

  • b. session layer

Q. Physical or logical arrangement of network is __________

a. topology

b. routing

c. networking

d. control

  • a. topology

Q. Which network topology requires a central controller or hub?

a. star

b. mesh

c. ring

d. bus

  • a. star

Q. Which of this is not a guided media?

a. fiber optical cable

b. coaxial cable

c. wireless lan

d. copper wire

  • c. wireless lan

Q. Fiber optics posses following properties __________

a. immune electromagnetic interference

b. very less signal attenuation

c. very hard to tap

d. all of the mentioned

  • d. all of the mentioned

Q. If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

a. n*39.8

b. n*51.8

c. 2n*51.8

d. none of the mentioned

  • b. n*51.8

Q. Radio channels are attractive medium because __________

a. can penetrate walls

b. connectivity can be given to mobile user

c. can carry signals for long distance

d. all of the mentioned

  • d. all of the mentioned
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