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Updated: Sep 06, 2026
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Huawei H12-931-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Transmission (Written Exam) |
| Exam Number: | H12-931-ENU |
| Related Certifications: | Huawei Certified Internetwork Expert - Transmission Lab Exam |
| Exam Format: | Multiple Choice Questions |
| Available Languages: | English, Chinese |
| Recommended Training: | HCIE-Transmission Official Training Path |
| Exam Registration: | Huawei Talent Online |
| Sample Questions: | Huawei H12-931-ENU Sample Questions |
| Exam Way: | Computer-based test at authorized Huawei exam centers or online proctored exam depending on region |
| Pre Condition: | Recommended to have HCIP-Transmission certification or equivalent knowledge before attempting HCIE exam. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/ |
Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| Topic 2: IPRAN and Converged Transport | - Synchronization and timing in transport networks - IPRAN architecture and deployment scenarios |
| Topic 3: Network Planning and Maintenance | - Fault management and performance monitoring - Transmission network design principles |
| Topic 4: Optical Transport Network Fundamentals | - SDH/SONET principles and architecture - WDM system fundamentals - OTN technology and frame structure |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
After the faulty board is found at the beginning of the project, after calling the TAC phone to locate the fault, you can go through the DOA process and apply for spare parts directly
- A. FALSE
- B. TRUE
NG-SDH products initially support the board-level hot patch function. V100R008 starts to support both board-level hot patch and patch package functions (the hot patch upgrade method supported by different main control types is different), and it is supported from V100R010 and later versions.
- A. neither support
- B. Board-level hot patch and patch package function
- C. Patch package function
- D. Support board-level hot patch function
The Tunnel-level APS protection of Hybrid MSTP equipment can support forced switching and locked switching, and the priority of forced switching is higher than that of locked switching.
- A. FALSE
- B. TRUE
When spreading the existing network WDM system, there is no need to evaluate which of the following performances
- A. PMD parameters of the link
- B. Optical power flatness of the receiving end (with MCA configuration)
- C. The bit error rate before error correction of the OTU at the receiving end
- D. Optical power of OTU/OA
NE1\NE2\NE3 forms a chain network. There are VC4 other services between NE1 and NE3. NE2 is a pass-through site. After the configuration is completed, NE3 site reports the HP-SLM alarm of C2 byte mismatch.
What are the detection points at this time? (multiple choice)
- A. NE2 east C2 byte
- B. NE2 West C2 byte
- C. NE3 receiving direction C2 byte
- D. C2 byte in the sending direction of NE1
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