Data Communication and Networking Questions

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241.

How can you see the address of the DHCP server from which a client received its IP address?

A

By using Advanced Properties of TCP/IP

B

By using IPCONFIG/ALL

C

By using DHCPINFO

D

By pinging DHCP

E

None of the above

Correct Answer: B

None.

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242.

In a synchronous modem, the receive equalizer is known as

A

adaptive equalizer

B

impairment equalizer

C

statistical equalizer

D

compromise equalizer

E

None of the above

Correct Answer: A

None.

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243.

Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so?

A

Server-based

B

Token-Ring

C

Ethernet

D

Star

E

Peer-to-peer

Correct Answer: A

None.

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244.

Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

A

Keyboard

B

Modem

C

Scanner

D

Fax

E

None of the above

Correct Answer: B

None.

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245.

To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing

A

communication systems

B

multiprogramming systems

C

virtual storage systems

D

All of the above

E

None of the above

Correct Answer: D

None.

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246.

Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?

A

Unique to that subnet only

B

For different subnets

C

For no more than two subnets

D

For no subnets

E

None of the above

Correct Answer: B

None.

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247.

The main difference between TCP and UDP is

A

UDP is connection oriented where as TCP is datagram service

B

TCP is an Internet protocol where as UDP is an ATM protocol

C

UDP is a datagram where as TCP is a connection oriented service

D

All of the above

E

None of the above

Correct Answer: C

None.

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248.

What operates in the Data Link and the Network layer?

A

NIC

B

Bridge

C

Brouter

D

Router

E

None of the above

Correct Answer: C

None.

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249.

What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?

A

E-mail

B

Bulletin board system (BBS)

C

Teleconferencing

D

Videoconferencing

E

None of the above

Correct Answer: B

None.

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250.

Which of the following statement is incorrect?

A

The CCITT Recommendation X.25 specifies three layers of communication: physical, link and network.

B

The second layer of communication is the data-link layer

C

Errors in the physical layer can be detected by the data link layer

D

The fourth layer, in reference to the OSI model, is the session layer

E

None of the above

Correct Answer: D

None.

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