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Huawei H31-331 Exam Syllabus Topics:

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

Question 1

To restore all data of the U2000 database, you must first shut down the U2000 server to recover.

A. False
B. True

Question 2

Which of the following signals is sent back to the originator?

A. LCK
B. IAE
C. AIS
D. BDI

Question 3

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. False
B. True

Question 4

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 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.
C. 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.
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.

Question 5

The NMS does not support automatic synchronization between the NE and the NMS. You must manually synchronize the NE and NMS time.

A. False
B. True

Solutions: