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Q.

Establishing a virtual connection is functionally equivalent to

A

Connecting as virtual memory

B

Physically connecting a DTE and DCE

C

Placing a telephone call prior to a conversation

D

Placing a modem prior to a conversation

E

None of the above

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1.

In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is

A

Regular Data

B

Typed data

C

Capability Data

D

Expedited Data

Discussion

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2.

Devices on one network can communicate with devices on another network via a

A

file server

B

utility server

C

printer server

D

gateway

E

None of the above

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3.

With telecommunications and a personal computer you can

A

"download" free public domain programs

B

send letters to be printed and delivered by the post office

C

order goods at a substantial discount

D

All of the above

E

None of the above

Discussion

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4.

A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as

A

Gateways

B

mail gateway

C

bridges

D

User Agent

E

None of the above

Discussion

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5.

Which of the following specifies the network address and host address of the computer?

A

The IP address

B

The TCP address

C

The subnet mask

D

The default gateway

E

None of the above

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