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Optical Communications MCQ Questions & Answers

Optical Communications MCQs : This section focuses on the "Basic" in Optical Communications. These Multiple Choice Questions (MCQs) should be practiced to improve the Optical Communications skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Optical communication, also known as ?

A. optical devices
B. electronic telecommunication
C. optical telecommunication
D. All of the above

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Question 2

An optical communication system uses a?

A. Code
B. Transmitter
C. Energy
D. Signal

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Question 3

A semaphore telegraph, also called a

A. semaphore line
B. optical telegraph
C. shutter telegraph chain
D. All of the above

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Question 4

The first operational optical semaphore line arrived in ?

A. 1785
B. 1787
C. 1792
D. 1795

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Question 5

An optical communication system uses a receiver, which reproduces the message from the received optical signal.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 6

FSO stands for?

A. Function-space optics
B. Free-sight optics
C. First-space optics
D. Free-space optics

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Question 7

Transmission of unguided optical signals is known as?

A. optical wired communications
B. optical wireless communications
C. optical wireless constellations
D. optical wireless consumption

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Question 8

Example of optical wireless communications?

A. visible light communication
B. short-distance IrDA
C. Both A and B
D. None of the above

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Question 9

The __________ is a communication device which allowed for the transmission of speech on a beam of light.

A. terrestrial microwave
B. optical fiber
C. FSO
D. photophone

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Question 10

Optical fiber is the most common type of channel for optical communications.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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