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Q.

A central computer surrounded by one or more satellite computers is called a

A

bus network

B

ring network

C

star network

D

All of the above

E

None of the above

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MCQ

1.

The network layer, in reference to the OSI model, provide

A

data link procedures that provide for the exchange of data via frames that can be sent and received

B

the interface between the X.25 network and packet mode device

C

the virtual circuit interface to packet-switched service

D

All of the above

E

None of the above

Discussion

MCQ

2.

A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

A

Aloha

B

Angle modulation

C

Amplitude modulation

D

modem

E

None of the above

Discussion

MCQ

3.

To set up a bulletin board system you need

A

a smart modem with auto-answer capabilities

B

a telephone line

C

a personal computer

D

All of the above

E

None of the above

Discussion

MCQ

4.

What is the name of the device that connects two computers by means of a telephone line?

A

Tape

B

modem

C

bus

D

cable

E

None of the above

Discussion

MCQ

5.

What is the maximum number of entries in the HOSTS file?

A

8

B

255

C

500

D

Unlimited

E

None of the above

Discussion

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