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

1. For the aggregation type OTU board, when the ODUk_PM_AIS alarm is received on the WDM side of the receiving OTU board, the following describes the OTN standard signal processing, which is correct.

A) After the alarm processing on the client side, the ODUk_PM_AIS alarm can be detected in the client device.
B) No processing and reporting on this site
C) Return OTUk_BDI alarm to the wavefront side of the upstream station
D) Generate SD events on the WDM side of the B station OTU, trigger channel service switching

2. In the process of optical power commissioning, you cannot modify the channel attenuation value of a ROADM board on the NMS. What is the possible cause of this phenomenon?

A) The light cross of the corresponding wavelength is not activated
B) The IPA function is configured in the system.
C) The optical power adjustment mode corresponding to the wavelength is set to "manual"
D) Fibre Channel with corresponding wavelength is locked

3. If the service type is set to "Any", you need to set the rate of the service in the Customer Service Bearer Rate (M).

A) False
B) True

4. The configuration process of the ALC includes creating an ALC link node, checking the link consistency, searching for the ALC link, sampling the attenuation value of the current line, and automatically adjusting the start link.

A) False
B) True

5. Regarding POWER_FAIL, which of the following statements is wrong?

A) If the alarm is reported on the board of the non-master board, the main power supply in the board fails and the backup power fails. This will cause service interruption.
B) If the alarm is reported on the main control board, the system time will be lost after power failure, and the network data will be lost within 30 minutes.
C) If the alarm is reported on the board that is not the main control board, the main power supply in the board is invalid and the backup power supply is normal. This will cause the active/standby power supply to be switched without affecting services.
D) If the alarm is reported on the PIU board, it indicates that the subrack input power supply voltage is abnormal and the power supply power module is faulty.

Solutions: