Data Communication and Networking Questions

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341.

Most networks are connected to other local area or wide area networks. Select the best fit for answer:

A

Internet works

B

The Internet

C

Internet revolution

D

Internet technologies

E

255.255.252.0

Correct Answer: A

None.

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342.

You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?

A

255.255.192.0

B

255.255.224.0

C

255.255.240.0

D

255.255.248.0

E

255.255.252.0

Correct Answer: E

None.

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343.

A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

A

1.5 Mbaud/sec

B

6 Mband/sec

C

12 Mbaud/sec

D

24 Mbaud/sec

E

None of the above

Correct Answer: C

None.

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344.

Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?

A

05-Jul

B

01-Apr

C

08-Dec

D

13-14

E

None of the above

Correct Answer: D

None.

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345.

Error detecting code is

A

an error-detecting code based on a summation operation performed on the bits to be checked

B

a check bit appended to an array of binary digits to make the sum of all the binary digits.

C

a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and

D

the ratio of the data units in error to the total number of data units

E

None of the above

Correct Answer: C

None.

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346.

The birthplace of the World Wide Web is considered to be

A

the Department of Defense

B

CERN

C

ARPA

D

Netscape

E

None of the above

Correct Answer: B

None.

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347.

You have purchased a MAU (Multistation Access Unit) from your computer supplier and now must decide what type of network card you should install in the workstations. Which of the following would be the most appropriate?

A

Fast SCSI Wide

B

Token-Ring

C

ArcServe

D

Ethernet

E

None of the above

Correct Answer: B

None.

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348.

What is the loopback address?

A

127.0.0.1

B

255.0.0.0

C

255.255.0.0

D

255.255.255.255.0

E

None of the above

Correct Answer: A

None.

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349.

An ROP would be attached to a

A

simplex channel

B

duplex channel

C

half duplex channel

D

full duplex channel

E

None of the above

Correct Answer: A

None.

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350.

Who originally designed TCP/IP?

A

The Department of Defense

B

Novell

C

IBM

D

Xerox

E

None of the above

Correct Answer: A

None.

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