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

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

A) 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.
B) 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.
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 board of the non-master board, the main power supply in the board fails and the backup power fails. This will cause service interruption.

2. If the IPA function does not start properly, what are the possible reasons? (multiple choice)

A) The IPA protection group is equipped with an auxiliary detection board. When the line is broken, the auxiliary detection board does not report alarms.
B) The IPA protection group is configured with an auxiliary detection board, but the board port selection of the auxiliary detection board is incorrect.
C) The IPA function is not enabled.
D) The fiber break time does not exceed the IPA's turn-off duration.

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

A) In the ASON network, the IPA should adopt the station-by-station configuration mode, and the auxiliary detection board can be omitted.
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) OADM sites or electrical relay sites can be configured between two IPA pairs
D) IPA can be configured separately on the sender or receiver

4. Using the OSC monitoring, the NG WDM network running the HWECC protocol, which of the following is generally not interrupted by ECC communication?

A) OSC board failure
B) The tail fiber of the OSC board is faulty.
C) The ID of the network element is duplicated.
D) SCC board failure
E) IP duplication of network elements

5. Which of the following are the default "fixed boundary ports" for the system? (multiple choice)

A) OTU unit line side port
B) FIU board IN / OUT port
C) M40V board OUT port
D) OAU1 board OUT port

Solutions: