Polytechnic lecturer Mock Test| DigitalCommunication quiz

Polytechnic lecturer Mock Test| Digital Communication quiz

Hi, In this post a Mock test of 10 questions is given. you can attend the test and finally submit for the result. 

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All the best.

Let's Start:

1.

Digital communication is _______ to environmental changes?

a) Less sensitive

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b) More sensitive

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c) Does not depend

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d) None of the mentioned

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2.

Advantages of digital communication are

Easy multiplexing

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Easy processing

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Reliable

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All of the mentioned

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3.

What is necessary for digital communication?

Precision timing

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Character synchronization

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Frame synchronization

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All of the mentioned

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4.

Examples of digital communication are

ISDN

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Modems

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Classical telephony

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All of the mentioned

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5.

What are the disadvantages of digital communication?

Needs more bandwidth

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Is more complex

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Needs more bandwidth & Is more complex

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None of the mentioned

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6.

Which system uses digital transmission?

ISDN

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LANs

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ISDN & LANs

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None of the mentioned

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7.

The interval of frequencies outside which the spectrum is zero is called as ________

null to null bandwidth

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normalized bandwidth

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absolute bandwidth

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none of the mentioned

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8.

The attenuation level in bounded power spectral density is

35

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50

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35 & 50

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none

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9.

Synchronization available in digital communication are

Symbol synchronization

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Frame synchronization

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Carrier synchronization

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All of the mentioned

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10.

Digital system includes

Better encryption algorithm

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Difficult data multiplexing

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All of the mentioned

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None of the mentioned

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11.

Edit Question here

Option 1

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Option 2

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Option 3

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Option 4

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This quiz has been created using the tool HTML Quiz Generator