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MCQ

Q.

What is the loopback address?

A

127.0.0.1

B

255.0.0.0

C

255.255.0.0

D

255.255.255.255.0

E

None of the above

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MCQ

1.

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

Discussion

MCQ

2.

Which of the following is an important characteristic of LAN?

A

application independent interfaces

B

unlimited expansion

C

low cost access for low bandwidth channels

D

parallel transmission

E

None of the above

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3.

The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is

A

100

B

45

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50

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90

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4.

The physical layer of a network

A

defines the electrical characteristics of signals passed between the computer and communication devices

B

controls error detection and correction

C

constructs packets of data and sends them across the network

D

All of the above

E

None of the above

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5.

An ROP would be attached to a

A

simplex channel

B

duplex channel

C

half duplex channel

D

full duplex channel

E

None of the above

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