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

1. In order to locate the wave-side optical fiber line and the connector is normal, which of the following loopback methods is most suitable?

A) Customer side external loopback
B) Wavelength side inner loopback
C) Customer side internal loopback
D) Wavelength side outer loopback

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

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

3. Which of the following statements about Loopback #9 is wrong?

A) Loopback operation will affect normal business. It is recommended to use when traffic is small.
B) The loopback method is suitable for the range of known faults. The fault range is divided into two sections and excluded separately. The faults it can eliminate can be board failures, line faults.
C) When loopback operation, there is no need to pay attention to whether the dispersion compensation meets the system requirements.
D) Pay attention to the use of fixed or adjustable light decay during loopback operation

4. Which of the following protections are protected by dual-layer and selective electrification? (multiple choice)

A) ODUK SNCP protection
B) Customer side 1+1 protection
C) ODUK ring network protection
D) SW SNCP protection

5. The overload optical power of the APD type receiving laser is only -9dBm, and it is especially necessary to be cautious to prevent the optical module from being burnt due to excessive power.

A) True
B) False

Solutions: