Data Communication and Networking Questions

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381.

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

Correct Answer: C

None.

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382.

Which command-line tool is included with every Microsoft TCP/IP client?

A

DHCP

B

WINS

C

PING

D

WINIPCFG

E

None of the above

Correct Answer: C

None.

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383.

If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.

A

even

B

odd

C

indeterminate

D

42

Correct Answer: B

None.

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384.

An error-detecting code inserted as a field in a block of data to be transmitted is known as

A

Frame check sequence

B

Error detecting code

C

Checksum

D

flow control

Correct Answer: A

None.

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385.

Number of bits per symbol used in Baudot code is

A

1

B

5

C

8

D

9

E

None of the above

Correct Answer: B

None.

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386.

Working of the WAN generally involves

A

telephone lines

B

microwaves

C

satellites

D

All of the above

E

None of the above

Correct Answer: D

None.

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387.

What does the acronym ISDN stand for?

A

Indian Standard Digital Network

B

Integrated Services Digital Network

C

Intelligent Services Digital Network

D

Integrated Services Data Network

E

None of the above

Correct Answer: B

None.

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388.

Which of the following services dynamically resolves NetBIOS-to-IP resolution?

A

DNS

B

DHCP

C

WINS

D

LMHOSTS

E

None of the above

Correct Answer: C

None.

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389.

An example of a medium-speed, switched communications service is

A

Series 1000

B

Dataphone 50

C

DDD

D

All of the above

E

None of the above

Correct Answer: C

None.

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390.

A devices that links two homogeneous packet-broadcast local networks, is

A

gateway

B

repeater

C

bridge

D

hub

E

None of the above

Correct Answer: C

None.

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