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Q.

Which network is a packet switching network?

A

Ring network

B

LAN

C

Star network

D

EuroNET

E

None of the above

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MCQ

1.

Which of the following communications modes support two-way traffic but in only one direction of a time?

A

simplex

B

half-duplex

C

three-quarters duplex

D

full-of the above

E

None of the above

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2.

Operating system functions may include

A

input/output control

B

virtual storage

C

multiprogramming

D

All of the above

E

None of the above

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3.

In cyclic redundancy checking, the divisor is _____ the CRC.

A

the same size as

B

one bit less than

C

one bit more than

D

two bits more

E

None of the above

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4.

A devices that links two homogeneous packet-broadcast local networks, is

A

gateway

B

repeater

C

bridge

D

hub

E

None of the above

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5.

What frequency range is used for FM radio transmission?

A

Very Low Frequency : 3 kHz to 30. kHz

B

Low Frequency : 30 kHz to 300 kHz

C

High Frequency : 3 MHz to 30 MHz

D

Very High Frequency : 30 MHz to 300 MHz

E

None of the above

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