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

1. Which layer of the public telecommunications network is the transport network at the level?

A) The bottom layer
B) Secondary bottom layer
C) The highest level
D) Middle layer

2. Which of the following measures does not effectively improve the signal-to-noise ratio of the system?

A) Use better quality fiber optic cable
B) Power amplifier with high saturation output
C) Using optical-electric-optical relay boards
D) Turn off the FEC error correction function of the service board.

3. The name of the network layer that exists between the multiplexer and the demultiplexer, which of the following is true.

A) OMS
B) OSC
C) OTS
D) OCh

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

5. 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 equipped with an auxiliary detection board. When the line is broken, the auxiliary detection board does not report alarms.
D) The IPA protection group is configured with an auxiliary detection board, but the board port selection of the auxiliary detection board is incorrect.

Solutions: