Data Communication and Networking Questions

MCQ bookmark_border

71.

A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

A

3 Kbps

B

6 Kbps

C

12 Kbps

D

24 Kbps.

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

72.

Carrier is

A

One or more conductors that serve as a common connection for a related group of devices

B

a continuous frequency capable of being modulated or impressed with a second signal

C

the condition when two or more sections attempt to use the same channel at the same time

D

a collection of interconnected functional units that provides a data communications service among stations attached to the network

E

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

73.

What can greatly reduce TCP/IP configuration problems?

A

WINS Server

B

WINS Proxy

C

DHCP Server

D

PDC

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

74.

In CRC there is no error if the remainder at the receiver is _____.

A

equal to the remainder at the sender

B

zero

C

nonzero

D

the quotient at the sender

E

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

75.

Which of the following statements is correct for the use of packet switching?

A

the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ

B

the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied

C

by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.

D

All of the above

E

None of the above

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

76.

A front-end processor is

A

a user computer system

B

a processor in a large-scale computer that executes operating system instructions

C

a minicomputer that relieves main-frame computers at a computer centre of communications control functions

D

preliminary processor of batch jobs.

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

77.

What is the port number for NNTP?

A

119

B

80

C

79

D

70

E

None of the above

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

78.

Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

A

7 slots

B

5 slots

C

10 slots

D

14 slots

E

None of the above

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

79.

Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?

A

10

B

12

C

120

D

1200

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

80.

To connect a computer with a device in the same room, you might be likely to use

A

a coaxial cable

B

a dedicated line

C

a ground station

D

All of the above

E

None of the above

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion