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MCQ

A communication network which is used by large organizations over regional, national or global area is called

LAN

WAN

MAN

Intranet

None of the above

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MCQ

Which of the following statement is correct?

Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another.

Satellite transponders contain a device that echos the radiation without change from one point on earth to another.

Satellite transponder contains devices that transform the message sent from one location on earth to a different code for transmission to another location.

Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations

None of the above

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MCQ

You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.248

255.255.255.252

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MCQ

Working of the WAN generally involves

telephone lines

microwaves

satellites

All of the above

None of the above

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MCQ

The synchronous modems are more costly than the asynchronous modems because

they produce large volume of data

they contain clock recovery circuits

they transmit the data with stop and start bits.

they operate with a larger bandwidth

None of the above

Discussion

MCQ

Most data communications involving telegraph lines use:

simplex lines

wideband channels

narrowband channels

dialed service

None of the above

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Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

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Files and its types

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