computer networks Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

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 : 12

What is the full form of USB as used in computer related activities ?

a) Universal Serial Bus

b) Ultra Serial Block

c) United Service Block

d) Universal Security Block

e) None of these

Question : 13

Computers send and receive data in the form of _________ signals.

a) Analog

b) Digital

c) Modulated

d) Demodulated

e) All of these

Question : 14

From the physical computer shares characteristics with both hardware and software

a) All the above

b) Software

c) Data

d) Operating system

e) none of the above

Question : 15

In OSI network architecture, the routing is performed by

a) data link layer

b) network layer

c) .transport layer

d) session layer

e) none of above