Data Communication and Networking Questions

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411.

What is the standard protocol for network management features?

A

SNA

B

FTP

C

SNMP

D

SMS

E

None of the above

Correct Answer: C

None.

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412.

The application layer of a network

A

establishes, maintains, and terminates virtual circuits

B

defines the user's port into the network

C

consists of software being run on the computer connected to the network

D

All of the above

E

None of the above

Correct Answer: C

None.

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413.

Brad is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is excellent. Which network(s) would be the best to set up?

A

Peer-to-peer

B

Master domain

C

Server-based

D

Ethernet

E

Share-level

Correct Answer: A

None.

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414.

The simultaneous transmission of data to a number of stations is known as

A

broadcast

B

Band width

C

Aloha

D

Analog transmission

E

None of the above

Correct Answer: A

None.

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415.

Most data communications involving telegraph lines use:

A

simplex lines

B

wideband channels

C

narrowband channels

D

dialed service

E

None of the above

Correct Answer: C

None.

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416.

You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?

A

255.255.224.0

B

255.255.240.0

C

255.255.248.0

D

255.255.252.0

E

255.255.255.255

Correct Answer: B

None.

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417.

Modulation is the process of

A

sending a file from one computer to another computer

B

converting digital signals to analog signals

C

converting analog signals to digital signals

D

echoing every character that is received

E

None of the above

Correct Answer: B

None.

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418.

Which multiplexing technique shifts each signal to a different carrier frequency?

A

FDM

B

synchronous TDM

C

asynchronous TDM

D

All of the above

Correct Answer: A

None.

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419.

Which of the following protocol is connection-oriented?

A

IPX

B

UDP

C

NetBEUI

D

TCP

Correct Answer: D

None.

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420.

The loss in signal power as light travels down the fiber is called

A

attenuation

B

propagation

C

scattering

D

interruption

E

None of the above

Correct Answer: A

None.

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