Data Communication and Networking Questions

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111.

Internet-like networks between a company and its business partners. Select the best fit for answer:

A

Bandwidth alternatives

B

Switching alternating

C

Inter organizational networks

D

Extranets

Correct Answer: D

None.

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112.

An example of an analog communication method is

A

laser beam

B

microwave

C

voice grade telephone line

D

All of the above

E

None of the above

Correct Answer: D

None.

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113.

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

Layer 7 protocols

B

Layer 6 protocols

C

Layer 5 protocols

D

Layer 4 protocols

E

None of the above

Correct Answer: A

None.

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114.

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

Correct Answer: D

None.

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115.

Transmission of computerised data from one location to another is called

A

data transfer

B

data flow

C

data communication

D

data management

E

None of the above

Correct Answer: C

None.

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116.

Compared to analog signals, digital signals

A

allow faster transmission

B

are more accurate

C

both A and B

D

All of the above

E

None of the above

Correct Answer: C

None.

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117.

FDDI is a

A

ring network

B

star network

C

mesh network

D

bus based network

E

None of the above

Correct Answer: A

None.

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118.

An anticipated result from multiprogramming operations is:

A

reduced computer idle time

B

the handling of more jobs

C

better scheduling of work

D

All of the above

E

None of the above

Correct Answer: D

None.

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119.

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

Correct Answer: C

None.

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120.

If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

A

500 bps

B

1500 bps

C

5 bps

D

1000 bps

E

None of the above

Correct Answer: D

None.

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