Data Communication and Computer Network Basics Questions

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11.

In _______ transmission, the channel capacity is shared by both communicating devices at all times.

A

simplex

B

half-duplex

C

full-duplex

D

half-simplex

Correct Answer: C

None.

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12.

In the original ARPANET, _______ were directly connected together.

A

IMPs

B

host computers

C

networks

D

routers

Correct Answer: A

None.

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13.

This was the first network.

A

CSNET

B

NSFNET

C

ANSNET

D

ARPANET

Correct Answer: D

None.

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14.

Which organization has authority over interstate and international commerce in the communications field?

A

ITU-T

B

IEEE

C

FCC

D

ISOC

Correct Answer: C

None.

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15.

_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.

A

Forums

B

Regulatory agencies

C

Standards organizations

D

All of the above

Correct Answer: A

None.

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16.

Which agency developed standards for physical connection interfaces and electronic signaling specifications?

A

EIA

B

ITU-T

C

ANSI

D

ISO

Correct Answer: A

None.

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17.

______ is the protocol suite for the current Internet.

A

TCP/IP

B

NCP

C

UNIX

D

ACM

Correct Answer: A

None.

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18.

______ refers to the structure or format of the data, meaning the order in which they are presented.

A

Semantics

B

Syntax

C

Timing

D

All of the above

Correct Answer: B

None.

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19.

________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.

A

Semantics

B

Syntax

C

Timing

D

None of the above

Correct Answer: A

None.

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20.

. _______ refers to two characteristics: when data should be sent and how fast it can be sent.

A

Semantics

B

Syntax

C

Timing

D

none of the above

Correct Answer: C

None.

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