Huawei
H31-341_V2.5 · Question #126
H31-341_V2.5 Question #126: Real Exam Question with Answer & Explanation
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Question
Which of the following factors determine that the optical signal-to-noise ratio (OSNR) at the receiving end is reduced to a certain extent. After the signal is transmitted for a certain distance in the WDM system, the optical signal-to-noise ratio (OSNR) at the receiving end is reduced to a certain extent. Which of the following is the main reason?
Options
- AUsing EDFA
- BUsing multiplexers and demultiplexers
- CDo not use new fiber optics
- DFiber attenuation is too high
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