Huawei
H31-341_V2.5 · Question #95
After a certain distance of transmission in the WDM system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The most important reasons are?
The correct answer is C. Use of EDFAs. See the full explanation below for the reasoning.
Question
After a certain distance of transmission in the WDM system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The most important reasons are?
Options
- AFiber attenuation is too large
- BUse of demultiplexer
- CUse of EDFAs
- DNo new fiber optics are used
How the community answered
(54 responses)- A13% (7)
- B4% (2)
- C76% (41)
- D7% (4)
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