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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. Which of the following options does WDM have for light source requirements? (Multiple choice)

A) Larger output power
B) Output standard wavelength
C) Larger dispersion tolerance
D) Output stable wavelength

2. 1:N linear multiplex section protection: when the working channel is unavailable, the service is switched to the protection channel for transmission, and the additional service originally transmitted on the protection channel is interrupted.

A) True
B) False

3. When the optical cable is laid by traction, the main traction force should be applied to the () of the optical cable.

4. Two beams of light that meet the coherence condition are called coherent light. Which of the following options are referred to as the coherence condition here? (Multiple choice)

A) The vibration amplitude is the same
B) Same vibration frequency
C) The phase is the same or the phase difference remains constant
D) Vibration direction is the same

5. The dispersion coefficient is the time delay difference caused by the optical wavelength signal passing through the unit length of optical fiber within the unit wavelength interval. Which of the following is the unit of the dispersion coefficient?

A) ps/km.nm
B) ps/km
C) ps/nm
D) ps/nm.km

Solutions: