computer networks set 2 Detailed Explanation And More Example

Question : 1

Which of the following is required to communicate between two computers?

a) all of above including access to transmission medium

b) protocol

c) communication hardware

d) communications software

Question : 2

Which runs on computer hardware and serve as platform for other software to run on?

a) Application Software

b) Opera ting System

c) System Software

d) All the above

e) none of the above

Question : 3

A communications device that combines transmissions from several I/O devices into one line is a

a) concentrator

b) modifier

c) full-duplex line

d) multiplexer

Question : 4

Most data communications involving telegraph lines use:

a) simplex lines

b) wideband channel

c) dialed service

d) narrowband channel

Question : 5

A characteristic of a file server is which of the following ?

a) Acts as a fat client and is limited to one PC

b) Manages file operations and is limited to one PC

c) Acts as a fat client and is shared on a network

d) Manages file operations and is shared on a network

e) None of these

Question : 6

Which is the first program run on a computer when the computer boots up?

a) Operating system

b) System software

c) System operations

d) All the above .

e) none of the above