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MCQ

Q.

Which of the following summation operations is performed on the bits to check an error-detecting code?

A

Codec

B

Coder-decoder

C

Checksum

D

Attenuation

E

Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

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MCQ

1.

A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used.

A

500 Kbps

B

32 Kbps

C

8 Kbps

D

64 Kbps

E

None of the above

Discussion

MCQ

2.

In OSI network architecture, the dialogue control and token management are responsibilities of

A

session layer

B

network layer

C

transport layer

D

data link layer

E

None of the above

Discussion

MCQ

3.

What is the default subnet mask for a class C network?

A

127.0.0.1

B

255.0.0.0

C

255.255.0.0

D

255.255.255.0

E

None of the above

Discussion

MCQ

4.

Information systems with common hardware, software, and network standards that provide easy access for end users and their networked computer systems. Select the best fit for answer:

A

TCP/IP

B

Protocol

C

Open Systems

D

Internetwork processor

E

None of the above

Discussion

MCQ

5.

Layer one of the OSI model is

A

physical layer

B

link layer

C

transport layer

D

network layer

E

None of the above

Discussion

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