Huawei H31-331 : Huawei Certified Network Professional-Building Carrier OTN Transmission Network
- Exam Code: H31-331
- Exam Name: Huawei Certified Network Professional-Building Carrier OTN Transmission Network
- Updated: Sep 27, 2026
- Q & A: 180 Questions and Answers
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Huawei H31-331 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| OTN Network Planning and Design | - Network topology design (ring, mesh, linear) - Protection schemes (1+1, 1:1, SNCP-like protection) - Capacity planning and wavelength allocation |
| Carrier-Class OTN Equipment and Huawei Solutions | - Board types and functional modules - Huawei OptiX transmission platform overview - Service mapping and cross-connect principles |
| Fundamentals of Optical Transport Networks (OTN) | - OTN architecture and layered structure (ODUk/OTUk) - Digital wrapper and encapsulation principles - OTN framing and overhead structure |
| Operation, Maintenance, and Troubleshooting | - Alarm analysis and fault localization - Performance monitoring and KPIs - Routine maintenance procedures |
| Optical Fiber Transmission Technologies | - Optical amplification (EDFA, Raman) - Dispersion and impairment management - DWDM system principles and components |
| Advanced Optical Network Technologies | - ASON/GMPLS principles in transport networks - IP over OTN integration concepts - Next-generation converged transport networks |
Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:
The following are related to the functional characteristics and dependencies of APE, which are correct.
(multiple choice)
- A. All the boards of the adjustment site must be in the same network element.
- B. The APE function requires the transmitting end station to configure the detection board, and the receiving station configures the adjustment board.
- C. If the APE function is configured, the ALC function must be configured at the same time.
- D. The reconciliation site and the inspection site must be in the same network element.
Correct Answer: A,C 🗳️
Which of the following boards need to confirm the status of the dial or jumper on the board before performing the replacement operation? (multiple choice)
- A. M40/D40
- B. SC1/SC2
- C. AUX
- D. SCC
- E. XCS
Correct Answer: C,D 🗳️
In order to locate the wave-side optical fiber line and the connector is normal, which of the following loopback methods is most suitable?
- A. Wavelength side inner loopback
- B. Wavelength side outer loopback
- C. Customer side external loopback
- D. Customer side internal loopback
Correct Answer: B 🗳️
Which of the following networking types is the main networking type in the metropolitan wavelength division network?
- A. Chain network
- B. Point-to-point networking
- C. Mesh networking
- D. Ring network
Correct Answer: D 🗳️
In the WDM network, if the two-way OA and OSC report the optical loss alarm, which is the most likely cause?
- A. Line fiber unidirectional degradation
- B. Line fiber bidirectional interrupt
- C. Line fiber bidirectional degradation
- D. Line fiber one-way interruption
Correct Answer: B 🗳️
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