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

1. What are the main methods for suppressing nonlinear effects in the WDM system? (multiple choice)

A) Advanced light source technology
B) Good dispersion management
C) Improve the optical power of the transmitter signal
D) Use large effective area fiber as the transmission medium
E) Control signal optical power

2. In the WDM network, if the two-way OA and OSC report the optical loss alarm, which is the most likely cause?

A) Line fiber bidirectional interrupt
B) Line fiber one-way interruption
C) Line fiber unidirectional degradation
D) Line fiber bidirectional degradation

3. Which of the following are the daily maintenance items on the equipment side? (multiple choice)

A) Check the cabinet indicator
B) Check the device sound alarm
C) Check the room temperature, humidity
D) Test error
E) Check the ground wire and power cord
F) Checking the board indicators

4. The application of the FEC-enabled wavelength conversion board in the DWDM system can improve the signal-to-noise ratio.

A) True
B) False

5. Which of the following considerations is required before and after replacement?

A) Query related alarms and performance events through the NMS.
B) Check the board indicator blinking status.
C) Check whether the switchover is normal for the function board that has the backup function.
D) Confirm that the cable connection is correct.

Solutions: