computer networks set 4 Detailed Explanation And More Example

Question : 1

Which of the following statement is correct?

a) terminal section of a synchronous modem contains the scrambler

b) transmission section of a synchronous modern contains the scrambler

c) receiver section of a synchronous modem contains the scrambler

d) control section of a synchronous modem contains the scrambler

e) none of the above

Question : 2

Which of the following communication modes support -two-way traffic but in only one direction at a time?

a) half duplex

b) simplex

c) three-quarters duplex

d) all of the above

e) none of the above

Question : 3

Communication circuits that transmit data in both directions but not at the same time are operating in

a) a simplex mode

b) all the options

c) a full duplex mode

d) a half duplex mode

e) an asynchronous mode

Question : 4

The Internet is

a) a large network of networks

b) an internal communication system for a business

c) a communication system for the Indian government

d) a communication system for some states of India

e) a communication system for some cities of India

Question : 5

In OSI network architecture, the dialogue control and token management are responsibility of

a) transport layer

b) network layer

c) session layer

d) data link layer

e) none of the above

Question : 6

In a synchronous modem, the digital-to-analog converter transmits signal to the

a) equalizer

b) modulator

c) demodulator

d) terminal

e) None of these