Passing exam with H31-331 latest training materials
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Updated: Sep 13, 2026
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Huawei H31-331 Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCNP Building Carrier OTN Transmission Network (H31-331) |
| Exam Number: | H31-331 |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Huawei Certified ICT Associate (HCIA) Huawei Certified ICT Professional (HCIP) – Transmission |
| Available Languages: | Chinese, English |
| Exam Format: | Multiple Choice Questions, Multiple Response Questions |
| Recommended Training: | Huawei Learning – Transmission Courses |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Talent Certification |
| Sample Questions: | Huawei H31-331 Sample Questions |
| Exam Way: | Pearson VUE test center or online proctored exam |
| Pre Condition: | Recommended: basic knowledge of IP networking and optical transmission fundamentals (HCIA-level knowledge). |
Huawei H31-331 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Operation, Maintenance, and Troubleshooting | - Routine maintenance procedures - Performance monitoring and KPIs - Alarm analysis and fault localization |
| Topic 2: Carrier-Class OTN Equipment and Huawei Solutions | - Service mapping and cross-connect principles - Board types and functional modules - Huawei OptiX transmission platform overview |
| Topic 3: Advanced Optical Network Technologies | - ASON/GMPLS principles in transport networks - Next-generation converged transport networks - IP over OTN integration concepts |
| Topic 4: OTN Network Planning and Design | - Network topology design (ring, mesh, linear) - Capacity planning and wavelength allocation - Protection schemes (1+1, 1:1, SNCP-like protection) |
| Topic 5: Fundamentals of Optical Transport Networks (OTN) | - OTN framing and overhead structure - Digital wrapper and encapsulation principles - OTN architecture and layered structure (ODUk/OTUk) |
| Topic 6: Optical Fiber Transmission Technologies | - DWDM system principles and components - Optical amplification (EDFA, Raman) - Dispersion and impairment management |
Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:
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. Lock Switching -> Clear Switching -> Forced Switching -> Automatic Switching -> Manual Switching
- B. Clear Switching -> Forced Switching -> Locking Switching -> Manual Switching -> Automatic Switching
- C. Clear Switching -> Lock Switching -> Forced Switching -> Automatic Switching -> Manual Switching
- D. Lock Switching -> Forced Switching -> Clear Switching -> Automatic Switching -> Manual Switching
Correct Answer: C 🗳️
The path method OCH creation may be unsuccessful. (multiple choice)
- A. The wavelength configuration of the source and sink boards is inconsistent.
- B. The service layer path is missing.
- C. The device side and NE side time are not synchronized.
- D. The data on the device side and the NE side are not synchronized.
Correct Answer: A,B,D 🗳️
The SCC provides the 1:N power backup function for the system by the battery on the SCC board.
- A. False
- B. True
Correct Answer: A 🗳️
When the light strip is removed, the specification requires that the fiber is pulled out and then pulled out.
- A. False
- B. True
Correct Answer: B 🗳️
The following are related to the functional characteristics and dependencies of APE, which are correct.
(multiple choice)
- A. PM
- B. The reconciliation site and the inspection site must be in the same network elementThe following electrical layer overhead bytes, which does not support BIP8 parity?
- C. All the boards of the adjustment site must be in the same network element.
- D. TCMi
- E. FAS
- F. SM
- G. The APE function requires the transmitting end station to configure the detection board, and the receiving station configures the adjustment board.
- H. If the APE function is configured, the ALC function must be configured at the same time.
Correct Answer: B 🗳️
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