Optical Fiber Communication - Electronic Engineering (MCQ) questions & answers
Dear Readers, Welcome to Optical Fiber Communication multiple choice questions and answers with explanation. These objective type Optical Fiber Communication questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma.
Specially developed for the Electronic Engineering freshers and professionals, these model questions are asked in the online technical test and interview of many companies.
These tutorial are also important for your viva in university exams like Anna university, Pune, VTU, UPTU, CUSAT etc.
1) Which among the following misalignments give/gives rise to the occurrence of splice loss?
- Published on 23 Nov 15
a. Longitudinal separation between the end-faces of fiber
b. Angular tilt between fiber ends
c. Transverse offset between fiber ends
d. All of the above
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2) Which among the following stages is/are adopted in Splice Loss Experiment?
- Published on 23 Nov 15
a. Translational
b. Rotational
c. Both a and b
d. None of the above
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3) In chromatic dispersion, which parameter for the modulation of the received signal is measured with the help of a vector voltmeter?
- Published on 23 Nov 15
a. Amplitude
b. Frequency
c. Phase
d. Period
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4) For measuring the shape of input pulse in time-domain intermodal dispersion method, the test fiber is replaced by another fiber whose length is less than ___ of the test fiber.
- Published on 23 Nov 15
a. 1%
b. 5%
c. 10%
d. 20%
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5) Why is an electrical isolation required between several portions of an electronic circuit?
- Published on 23 Nov 15
a. Provision of high voltage protection
b. Reduction in noise level
c. Both a & b
d. None of the above
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6) Basically, solitons are pulses which propagates through the fiber without showing any variation in ______
- Published on 23 Nov 15
a. Amplitude
b. Velocity
c. Shape
d. All of the above
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7) Which band/s specify/ies the operation range of Erbium doped fiber amplifier (EDFA)?
- Published on 23 Nov 15
a. By O band
b. By C band
c. By S band
d. All of the above
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8) In an optical network, increase in the number of lasers ________the bit rate.
- Published on 23 Nov 15
a. Increases
b. Stabilizes
c. Decreases
d. None of the above
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9) Which among the following parameters is/are decided by the front-end of a receiver?
- Published on 23 Nov 15
a. Sensitivity
b. Bandwidth
c. Both a and b
d. None of the above
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10) Which nature of charge carriers give rise to the current fluctuations thereby resulting into the generation of shot noise?
- Published on 23 Nov 15
a. Continuous
b. Discrete
c. Sampled
d. All of the above
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