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Huawei H31-331 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Protection and Special Technologies | 15% | - ALC, IPA, APE principles and configuration - Optical layer and electrical layer protection schemes |
| Data Configuration and Commissioning | 25% | - Common system configuration - Electrical layer ODUk cross-connection - Optical layer service configuration - Equipment commissioning and parameter adjustment |
| Maintenance, Testing and Troubleshooting | 20% | - Routine maintenance procedures - Performance and optical parameter testing - Fault positioning and troubleshooting - Alarm analysis and signal flow |
| OTN and WDM Basic Principles | 20% | - OTN architecture and frame structure - Optical layer and electrical layer technologies - WDM system principles and classification |
| OptiX WDM Hardware and Networking | 20% | - Common boards and functions of OSN 6800/8800 - Networking modes and application scenarios - Signal flow and optical power budget |
Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:
The signal-to-noise ratio is an important factor in the limitation of the DWDM system. The root cause of the noise is which of the following boards is used in the system?
- A. EDFA amplifier board
- B. Raman magnifying board
- C. Light forwarding board
- D. Combine/demultiplexer
Correct Answer: A 🗳️
Which of the following options is not the cause of the R-LOF alarm?
- A. The peer station sends a signal without frame structure
- B. Broken fiber
- C. Receive signal attenuation is too large
- D. The board receives the direction failure
Correct Answer: B 🗳️
On the OSN 6800, you can implement the following two-layer electrical layer scheduling without configuring an XCS board. (multiple choice)
- A. ANY
- B. ODU1
- C. GE
- D. ODU2
Correct Answer: A,B,C 🗳️
When performing fiber synchronization, the following does not mean the meaning of the fiber representation for the network element. Which one is correct?
- A. The fiber connection that does not exist on the network management side and the network element side
- B. The fiber connection exists on the network management side and the network element side.
- C. Fiber connection only on the local network management side
- D. Fiber connection only on the NE side
Correct Answer: C 🗳️
Which of the following measures does not effectively improve the signal-to-noise ratio of the system?
- A. Turn off the FEC error correction function of the service board.
- B. Power amplifier with high saturation output
- C. Use better quality fiber optic cable
- D. Using optical-electric-optical relay boards
Correct Answer: A 🗳️
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