Computer Network

Looking for a comprehensive guide to Computer Network MCQs? Look no further! Our site covers everything you need to know about computer networks, including multiple-choice questions and answers. Whether you’re studying for an exam or just looking to expand your knowledge, this practice test is a must-read for anyone interested in computer networking.

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Computer

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

None

Computer

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

modifier

multiplexer

full-duplex line

concentrator

None

Computer

Which data communication method is used to transmit the data over a serial communication link?

full-duplex

half-duplex

simplex

None

Computer

Which of the following transmission systems provide the highest data rate to in individual device

telephone lines

computer bus

voice and mode

lease lines

None

Computer

While transmitting odd-parity coded symbols, the number of zeros in each symbol is

unknown

odd

even

None

Computer

A protocol is a set of rules governing a time sequence of events that must take place

between modems

between an interface

between peers

across an interface

None

Computer

The synchronous modems are more costly than the asynchronous modems because

they produce large volume of data

they operate with a larger bandwidth

they transmit the data with stop and start bit

they contain clock recovery circuits

None

Computer

The communication mode that supports data in both directions

duplex

multiplex

simplex

half duplex

None

Computer

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

demodulator

terminal

modulator

equilizer

None

Computer

Base band is

the simultaneous transmission of data to a number of stations

a signal all of whose energy is contained within a finite frequency range

transmission of signals without modulation

None

Computer

End-to-end connectivity is provided from host-to-host in

session layer

data link layer

network layer

transport layer

None

Computer

ISO stands for _____________

Integrated Services Organization

International Student Organization

Integrated standard organization

International Standard Organization

None

Computer

Which of the following communications lines is best suited to interactive processing applications?

simplex lines

narrow band channel

full duplex lines

mixed band channels

None

Computer

How much power (roughly) a light emitting diode can couple into an optical fiber?

10 miliwatts

440 microwatts

100 microwatts

100 picowatts

None

Computer

The application layer of the OSI model is th

sixth layer

. fourth layer

fifth layer

seventh layer

None

Computer

What is the maximum length of STP?

200m

200ft

100m

100 ft.

None

Computer

A distributed network configuration in which all data/information pass through a central computer is

bus network

duplex

star network

multiplex

None

Computer

. In ______ topology if the computer cable is broken, networks get down

ring.

bus

star.

irregular

None

Computer

Which of the following technique provides dedicated communication channel between two stations.

switch network

packet switching

circuit switching

None

Computer

Number of bits per symbol used in Baudot code is

None

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