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Q.

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

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MCQ

1.

Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:

A

Network Server

B

Virtual Private Network

C

Network operating system

D

OSI

Discussion

MCQ

2.

The EIA-232 interface has _____ pins.

A

20

B

24

C

25

D

30

E

None of the above

Discussion

MCQ

3.

Any device that performs signal conversion is

A

Modulator

B

Modem

C

Keyboard

D

Plotter

E

None of the above

Discussion

MCQ

4.

The encoding method specified in the EIA-232 standard is _____.

A

NRZ-I

B

NRZ-L

C

Manchester

D

Differential Manchester

E

None of the above

Discussion

MCQ

5.

The main difference between synchronous and asynchronous transmission is

A

the clocking is derived from the data in synchronous transmission

B

the clocking is mixed with the data in asynchronous transmission

C

the pulse height is different.

D

the bandwidth required is different

E

None of the above

Discussion

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