Huawei Exam H31-311 Topic 3 Question 11 Discussion

Actual exam question for Huawei's H31-311 exam

Question #: 11
Topic #: 3

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?

AEDFAs are used.

BMultiplexers and demultiplexers are used.

CNew types of optical fibers are not used.

DFiber attenuation is excessively high.

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Suggested Answer: A

by Rory at May 07, 2022, 09:25 AM

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