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MCQ

Q.

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

A

1

B

2

C

4

D

6

E

none of the above

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MCQ

1.

Which of the following is an advantage to using fiber optics data transmission?

A

resistance to data theft

B

fast data transmission rate

C

low noise level

D

few transmission errors

E

All of the above

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DNS in internet technology stands for

A

Distributed Name System

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Data Name System

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Dynamic Name System

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Domain Name System

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Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?

A

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Layer 4 protocols

E

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A band is always equivalent to

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a byte

B

a bit

C

100 bits

D

16 bits

E

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How many hosts are attached to each of the local area networks at your site?

A

128

B

254

C

256

D

64

E

None of the above

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