Explore topic-wise MCQs in Optical Communications.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the typical range of the noise figure?

A. 1 2 dB
B. 3 5 dB
C. 7 11 dB
D. 12 14 dB
Answer» D. 12 14 dB
2.

How many factors govern the noise figure of the device?

A. Four
B. Three
C. Two
D. One
Answer» B. Three
3.

__________ is the ratio of input signal to noise ratio to the output signal to noise ratio of the device.

A. Fiber dispersion
B. Noise figure
C. Transmission rate
D. Population inversion
Answer» C. Transmission rate
4.

_________________ imposes serious limitations on the system performance.

A. Fiber attenuation
B. Fiber modulation
C. Fiber demodulation
D. Fiber dispersion
Answer» E.
5.

_____________ are transparent to any type of signal modulation.

A. Repeaters
B. Optical amplifiers
C. Modulators
D. Circulators
Answer» C. Modulators
6.

_________ reconstitutes a transmitted digital optical signal.

A. Repeaters
B. Optical amplifiers
C. Modulators
D. Circulators
Answer» B. Optical amplifiers
7.

Repeaters are bidirectional.

A. True
B. False
Answer» C.
8.

The term flexibility, in terms of optical amplifiers means the ability of the transmitted signal to remain in the optical domain in a long haul link.

A. True
B. False
Answer» B. False