Optical Fiber Communication MCQs and Answers | Optical Fiber Communication Quiz

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

View Answer

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%

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

Answer: straight line

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