Huawei
H31-311_V2.5 · Question #325
Which of the following factors determine that the optical signal-to-noise ratio (OSNR) at the receiving end is reduced to a certain extent? In the WDM system, after the signal is transmitted for a…
The correct answer is A. Using EDFA. See the full explanation below for the reasoning.
WDM/OTN Principles
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? In the WDM system, after the signal is transmitted for a certain distance, 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
- CNo new optical fiber is used
- DFiber attenuation is too high
How the community answered
(47 responses)- A72% (34)
- B15% (7)
- C9% (4)
- D4% (2)
Topics
#OSNR#EDFA#ASE noise#optical amplification
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