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Question 162 - H31-311 discussion

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Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent. Which of the following is the main cause?

A.
EDFAs are used.
Answers
A.
EDFAs are used.
B.
Multiplexers and demultiplexers are used.
Answers
B.
Multiplexers and demultiplexers are used.
C.
New types of optical fibers are not used.
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C.
New types of optical fibers are not used.
D.
Fiber attenuation is excessively high.
Answers
D.
Fiber attenuation is excessively high.
Suggested answer: A
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asked 18/09/2024
Rob Versteeg
36 questions
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