Question # 1

Graphics and other paperwork can be transmitted directly using which technology?

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CSMA/CD

token passing

facsimile

bulletin board

Which of the following topologies is passive?

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Star topology

Ring topology

Bus topology

Hybrid topology

Electronic banking.

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token ring

Mosaic

EFT

BBS

Communication circuits that transmit data in both directions but not at the same time are operating in.

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Simplex mode

Half duplex mode

Full Duplex mode

None of above

ASCII 8 bit code can represent maximum

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256 character

128 character

64 character

65536 character

The transfer if encoded information from one location to another by a communication channel is called

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data processing

data distribution

data communication

data encryption

Now-a-day computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

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Fax card

Modem card

Network Adapter card

DVD

ASCII 7 bit code can represent maximum

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265 character

128 character

64 character

65536 character

Cabling on a linear bus topology can be extended using which of the following?

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Terminator

Barrel connector

Network adapter card

Medium attachment unit

Project 802 defines standards for which layers of the OSI model?

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Application and Presentation layers

Physical an Date Link layers

Transport and Network layers

Network and Data Link layers

The number of times a wave repeats during a specific time interval is called

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Amplitude

Oscillation

Frequency

Pulses

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

_________Coding schemes use 4 bit code

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Unicode

ASCII

EBCDIC

BCD

Token passing prevents data collisions by.

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Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

Which of the following statements best describes a star topology?

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Needs significantly less cabling than other topologies

Breaks in a single cable segment takes down entire network

More difficult to reconfigure than other topologies

Centralized monitoring and management

Centralized processing but with access from terminals is known as.

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DDP

a ring network

telecommuting

a teleprocessing system

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