H31-341_V2.5: Huawei HCIP-Transmission V2.5
Free Practice Exam Questions (page: 6)
Updated On: 10-Jan-2026

Modulation is a process where the information of a signal source is processed and added to a carrier to make the information suitable for channel transmission. It is a technology where a carrier changes with a signal.

  1. TRUE
  2. FALSE

Answer(s): A



Which of the following are not features of WDM network expansion?

  1. Increased network complexity
  2. No impact on existing services during the expansion
  3. Maximized protection of existing investment
  4. It takes a long time.

Answer(s): A,D



Which of the following is not an advantage of WDM?

  1. Transparent transmission of data
  2. Various overheads
  3. Ultra-large capacity and ultra-long haul transmission
  4. Flexible, economical, and reliable networking

Answer(s): D



Which of the following features is used by a laser to coherently receive optical signals and restore the amplitude, phase, and state of polarization information from the received signals?

  1. Same oscillation direction
  2. Same amplitude
  3. Opposite oscillation directions
  4. Same frequency

Answer(s): D



Fill in Blank
Wavelength division multiplexing (WDM) refers to a technology that transmits optical signals at____over one optical fiber. (Enter only lowercase letters.)

  1. Difference

Answer(s): A



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