Free H31-331 Exam Braindumps
Huawei Certified Network Professional-Building Carrier OTN Transmission Network Questions 86–90 (page: 19)

Updated On: 9-Feb-2026

Which of the following descriptions of the FIU board is wrong?

  1. FIU board does not process monitoring information
  2. The FIU can complete the access and resolution of the OSC channel.
  3. Using ESC, the OTM station requires a FIU
  4. With OSC, both OLA stations and OADM stations require two FIUs.

Answer(s): C



The optical layer path (OCh level) may cause the route calculation to fail. (multiple choice)

  1. The fiber connection is incorrect.
  2. The wavelength of the wavelength division side port of the OTU board does not match the wavelength of the light crossing.
  3. The network layer OTS path is missing.
  4. The fiber attenuation between the TDC and RDC ports of the OAU board is too large.

Answer(s): A,B,C



On the OSN6800, the LDG board can implement Layer 2 scheduling of Ethernet.

  1. True
  2. False

Answer(s): B



Which of the following is an electrical layer particle that the TSXL veneer can cross.

  1. ODU1
  2. ODU2
  3. ODU3
  4. ODU4

Answer(s): C



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.

  1. True
  2. False

Answer(s): A



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