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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:

1. Which of the following are the daily maintenance items on the equipment side? (multiple choice)

A) Check the device sound alarm
B) Check the room temperature, humidity
C) Test error
D) Checking the board indicators
E) Check the cabinet indicator
F) Check the ground wire and power cord

2. For ODUk SNCP protection, which of the following types does not apply to the through-site as an electrical relay site?

A) SNC/N
B) SNC/S and SNC/N
C) SNC/S
D) SNC/I

3. There are five trigger conditions for the execution of the protection switch. The priority of the trigger condition is ranked from high to low. Which of the following is correct?

A) Clear Switching -> Lock Switching -> Forced Switching -> Automatic Switching -> Manual Switching
B) Lock Switching -> Clear Switching -> Forced Switching -> Automatic Switching -> Manual Switching
C) Clear Switching -> Forced Switching -> Locking Switching -> Manual Switching -> Automatic Switching
D) Lock Switching -> Forced Switching -> Clear Switching -> Automatic Switching -> Manual Switching

4. Which of the following measures does not effectively improve the signal-to-noise ratio of the system?

A) Use better quality fiber optic cable
B) Power amplifier with high saturation output
C) Using optical-electric-optical relay boards
D) Turn off the FEC error correction function of the service board.

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

A) The wavelength of the wavelength division side port of the OTU board does not match the wavelength of the light crossing.
B) The fiber attenuation between the TDC and RDC ports of the OAU board is too large.
C) The fiber connection is incorrect.
D) The network layer OTS path is missing.

Solutions: