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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:

1. Which of the following statements about EDFA is wrong.

A) EDFA's amplification of optical signals is pure optical amplification, no photoelectric conversion is required.
B) 1510nm optical monitoring channel can be effectively amplified by EDFA
C) Noise figure, saturated output power, gain flatness, gain, etc. are all important parameters for characterizing EDFA
D) When the EDFA output power reaches saturation, increase the input optical power and the gain of the EDFA will decrease.

2. For ROADM networks, if the optical crossovers at both ends have been created, the OCh path can be automatically searched for. For FOADM networks, OCh paths can be automatically searched for generations and do not need to be created.

A) True
B) False

3. Which of the following is about the functional characteristics and dependency limitations of IPA, and which description is correct?

A) IPA can be configured separately on the sender or receiver
B) When configuring the IPA pair, you must ensure that the signal flow direction of the test board and the auxiliary test board are the same.
C) In the ASON network, the IPA should adopt the station-by-station configuration mode, and the auxiliary detection board can be omitted.
D) OADM sites or electrical relay sites can be configured between two IPA pairs

4. What are the prerequisites for creating a single station optical crossover? (multiple choice)

A) The creation of the internal logic fiber of the single station on the network management system has been completed.
B) Configured boundary ports
C) Configure the optical power adjustment mode to "manual"
D) Create a single station optical crossover to ensure that the wavelength used for optical crossover is not occupied by the single board optical crossover.

5. The signal-to-noise ratio is an important factor in the limitation of the DWDM system. The root cause of the noise is which of the following boards is used in the system?

A) EDFA amplifier board
B) Light forwarding board
C) Combine/demultiplexer
D) Raman magnifying board

Solutions: