Data Communication and Networking Questions

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401.

Which of the following signals is not standard RS - 232-C signal?

A

VDR

B

RTS

C

CTS

D

DSR

E

None of the above

Correct Answer: A

None.

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402.

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

A

127.0.01

B

255.0.0.0

C

255.255.0.0

D

255.255.255.0

E

None of the above

Correct Answer: C

None.

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403.

Which of the following files is used for NetBIOS name resolution?

A

HOSTS

B

LMHOSTS

C

ARP

D

FQDN

E

None of the above

Correct Answer: B

None.

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404.

In CRC the quotient at the sender

A

becomes the dividend at the receiver

B

becomes the divisor at the receiver

C

is discarded

D

is the remainder

Correct Answer: C

None.

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405.

How many pairs of stations can simultaneously communicate on Ethernet LAN?

A

1

B

2

C

3

D

multiple

E

None of the above

Correct Answer: A

None.

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406.

The OCR reading unit attached to a POS terminal is called a

A

light pen

B

wand

C

cursor

D

All of the above

E

None of the above

Correct Answer: B

None.

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407.

A protocol is a set of rules governing a time sequence of events that must take place

A

between peers

B

between modems

C

between an interface

D

across an interface

E

None of the above

Correct Answer: A

None.

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408.

The coming together of three technologies i.e. microelectronics, computing and communications has ushered in

A

information explosion

B

information technology

C

business revolution

D

educational upgradation

E

None of the above

Correct Answer: B

None.

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409.

Terminals are used to

A

collect data from the physical system

B

provide information for the manager

C

communicate management decisions to the physical system

D

All of the above

E

None of the above

Correct Answer: D

None.

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410.

Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called

A

field workers

B

telecommuters

C

teleprocessors

D

company directors

E

None of the above

Correct Answer: B

None.

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