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

1. Which of the following statements about the W40 system M40(V)/D40(V) board indicators is wrong?
(multiple choice)

A) The unit of insertion loss and isolation is dB
B) M40V/D40V insertion loss is generally less than M40/D40
C) Insertion loss and isolation are as small as possible
D) M40V/D40V insertion loss is generally greater than M40/D40

2. Standard FEC, AFEC, and HFEC techniques all increase FEC overhead, and the resulting coding gain is incrementally increased.

A) True
B) False

3. What are the reasons for reporting R_LOS alarms on the BTU board? (multiple choice)

A) The local laser is turned off, resulting in no light signal input.
B) Broken fiber or line performance degradation
C) The local optical port is not used.
D) The local end receives the board failure and the line reception fails.

4. For a certain optical layer scheduling board (such as WSD9/WSM9/WSMD4), you can set the optical wavelength routing in the board separately.

A) True
B) False

5. When the light strip is removed, the specification requires that the fiber is pulled out and then pulled out.

A) True
B) False

Solutions: