Huawei H31-331 Exam
Huawei Certified Network Professional-Building Carrier OTN Transmission Network (Page 7 )

Updated On: 9-Feb-2026

Which of the following options is not the cause of the R-LOS alarm?

  1. Broken fiber
  2. Line attenuation is too large
  3. The starter laser is damaged
  4. Frame failure

Answer(s): D



Which of the following paths can be configured on the NMS. (multiple choice)

  1. OMS
  2. Client
  3. ODUK
  4. OCH

Answer(s): B,C,D



The M40 board has 2 waves of access, and the power per wave is -4dBm. Which of the following values is the power of the M40 output port? (M40 insertion loss is 6.5dB)

  1. -8.5
  2. -1
  3. -10.5
  4. -7.5

Answer(s): D



The path method to create OCh does not need to perform path search on the network management, which can be found in the network management service management, and the single station rule must start the search first.

  1. True
  2. False

Answer(s): A



In the wavelength division 40G network, the OSN 8800 can be used to implement the electrical layer scheduling of the ODU3 particles, and the 40G OTU3 service can be decomposed into four ODU2s for scheduling, and 40G sub-wavelength scheduling is supported.

  1. True
  2. False

Answer(s): A






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