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Optical Fiber Communication Quiz | Optical Fiber Communication MCQs and Answers

Questions
81 Which among the following stages is/are adopted in Splice Loss Experiment?
A Translational
B Rotational
C Both a and b
D None of the above

Answer: Both a and b
82 In chromatic dispersion, which parameter for the modulation of the received signal is measured with the help of a vector voltmeter?
A Amplitude
B Frequency
C Phase
D Period

Answer: Phase
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83 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.
A 1%
B 5%
C 10%
D 20%

Answer: 1%
84 Why is an electrical isolation required between several portions of an electronic circuit?
A Provision of high voltage protection
B Reduction in noise level
C Both a & b
D None of the above

Answer: Both a & b
85 Basically, solitons are pulses which propagates through the fiber without showing any variation in ______
A Amplitude
B Velocity
C Shape
D All of the above

Answer: All of the above
86 Which band/s specify/ies the operation range of Erbium doped fiber amplifier (EDFA)?
A By O band
B By C band
C By S band
D All of the above

Answer: By C band
87 In an optical network, increase in the number of lasers ________the bit rate.
A Increases
B Stabilizes
C Decreases
D None of the above

Answer: Increases
88 Which among the following parameters is/are decided by the front-end of a receiver?
A Sensitivity
B Bandwidth
C Both a and b
D None of the above

Answer: Both a and b
89 Which nature of charge carriers give rise to the current fluctuations thereby resulting into the generation of shot noise?
A Continuous
B Discrete
C Sampled
D All of the above

Answer: Discrete
90 On which factor/s do/does the response time of photodiode depend/s?
A Diffusion time of photo carriers outside the depletion region
B Diffusion time of photo carriers within the depletion region
C RC time constant
D All of the above

Answer: All of the above
91 In an eye-diagram, digital signals with very bad interference resembles the shape of _____
A circle
B rectangle
C triangle
D straight line

Answer: straight line

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