Huawei H31-311 Exam (page: 3)
Huawei HCIA-Transmission V2.0
Updated on: 12-Feb-2026

Viewing Page 3 of 36

Which of the following is the meaning of "L" in the optical module parameter "L-64.2"?

  1. Transmission distance
  2. Dispersion coefficient
  3. Transmit wavelength
  4. Receive wavelength

Answer(s): A



Which of the following methods can be used to multiplex lower-order ODUk to higher-order ODUk?

  1. Time division multiplexing
  2. Wavelength division multiplexing
  3. Space division multiplexing
  4. Frequency division multiplexing

Answer(s): A



Which of the following can be the center wavelengths of the pump sources in an EDFA? (Multiple Choice)

  1. 980 nm
  2. 1510 nm
  3. 1480 nm
  4. 1310 nm

Answer(s): A,C



Which of the following is the meaning of SFD in the Ethernet frame structure?

  1. Preamble
  2. Frame check sequence
  3. Start frame delimiter
  4. Payload

Answer(s): C



OTM nr.m consists of a maximum of "n" optical multiplexing channels and does not support non-channel-associated overheads. The letter "r" indicates function reduction.

  1. TRUE
  2. FALSE

Answer(s): A



Viewing Page 3 of 36



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