computer networks set 4 Detailed Explanation And More Example

Question : 1

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 : 2

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 : 3

What is the minimum number of wires needed to send data over a serial communication link layer?

a) 2

b) 1

c) 4

d) 6

e) none of above

Question : 4

A device that connects to a network without the use of cables is said to be

a) distributed

b) free

c) centralized

d) open source

e) None of these

Question : 5

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 : 6

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