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Free H31-331 Exam Braindumps
Huawei Certified Network Professional-Building Carrier OTN Transmission Network Questions 31–35 (page: 8)

Updated On: 9-Feb-2026
Page 8 of 37
PDF with 180 Questions

Which of the following indicators is not an indicator of OTU?

  1. Receive sensitivity
  2. Overload point
  3. Isolation
  4. -20dB spectral width

Answer(s): C



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

  1. Loopback operation will affect normal business. It is recommended to use when traffic is small.
  2. When loopback operation, there is no need to pay attention to whether the dispersion compensation meets the system requirements.
  3. 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.
  4. Pay attention to the use of fixed or adjustable light decay during loopback operation

Answer(s): B



When performing fiber synchronization, the following does not mean the meaning of the fiber representation for the network element. Which one is correct?

  1. The fiber connection exists on the network management side and the network element side.
  2. Fiber connection only on the NE side
  3. Fiber connection only on the local network management side
  4. The fiber connection that does not exist on the network management side and the network element side

Answer(s): C



On the professional network management, a board in the transmission device is light green. Which of the following is true for the meaning of its representative?

  1. The physical board is not in place.
  2. The logical board is not created.
  3. The physical board and the logical board are inconsistent.
  4. The board status is abnormal.

Answer(s): B



Using the spectrum analyzer to test the spectrum of the "MON" output signal of the board, which of the following indicators can be measured. (multiple choice)

  1. Optical power
  2. Signal to noise ratio
  3. Center wavelength

  4. Insertion loss

Answer(s): A,B,C



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