Try Huawei : H12-931-ENU valid & accurate questions and answers
Updated: Sep 12, 2026
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Huawei H12-931-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified Internetwork Expert-Transmission (Written) V2.0 |
| Exam Number: | H12-931-ENU |
| Exam Price: | 300 USD |
| Exam Format: | True/False, Multiple-choice, Short answer, Case analysis, Single-choice |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600 / 1000 |
| Related Certifications: | HCIP-Transmission HCIE-Transmission Lab |
| Available Languages: | English, Chinese |
| Exam Duration: | 90 minutes |
| Recommended Training: | Huawei Learning Services HCIE-Transmission V2.0 Official Training |
| Exam Registration: | Pearson VUE Registration Huawei Certification Portal |
| Sample Questions: | Huawei H12-931-ENU Sample Questions |
| Exam Way: | Proctored exam: in-person at authorized test centers or online remote proctoring via Pearson VUE |
| Pre Condition: | No mandatory prerequisites; HCIP-Transmission level knowledge and 3–5 years of transmission network experience strongly recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/h12-931 |
Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: ASON Principles & Applications | 6% | - Architecture, protocols and functions - Typical application scenarios |
| Topic 2: iMaster NCE-T | 6% | - Routine O&M management - System overview and functions |
| Topic 3: NG WDM Network Planning & Design | 6% | - DCN planning and optimization - Design process and elements |
| Topic 4: Clock Synchronization & DCI Solutions | 6% | - DCI architecture and deployment - Synchronization technologies |
| Topic 5: Electrical-layer ASON Configuration | 3% | - Service creation and maintenance - Control plane management |
| Topic 6: Transmission Network Products | 4% | - Cabinets, subracks and common boards - Overview and application scenarios |
| Topic 7: Fiber Sensing & Troubleshooting | 8% | - Distributed fiber sensing principles - Alarm analysis and fault location - End-to-end troubleshooting |
| Topic 8: Optical-layer ASON Configuration | 3% | - Diamond/Silver/Copper service creation - Control plane management |
| Topic 9: OTN Device Deployment & Commissioning | 6% | - OSC and optical power commissioning - NE commissioning and data backup - Initial configuration |
| Topic 10: Transmission Network QoS | 4% | - QoS and HQoS application - QoS principles and technologies |
| Topic 11: SDH-to-OTN Upgrade & Network Reconstruction | 10% | - OTN node and capacity expansion - Upgrade solutions and implementation - Protection reconstruction |
| Topic 12: MS-OTN Service Configuration | 6% | - MPLS-TP and OSU services - OTN, SDH, EoO, EoS services |
| Topic 13: All-Optical & Turbo WDM | 5% | - OXC and all-optical switching - Turbo WDM architecture and applications |
| Topic 14: Optical Doctor & Fiber Doctor | 6% | - System composition and principles - Configuration and fault detection |
| Topic 15: NHP & OSU Technology | 4% | - OSU features and scenarios - NHP and OSU principles |
| Topic 16: High-Speed & ULH Technologies | 7% | - ULH solutions and deployment - Coherent and extended band transmission |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
The single-fiber bidirectional optical interface of PTN equipment distinguishes upstream and downstream service flows according to time slots.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
Regarding the OTN system network-level protection switching test, is the following statement wrong? ()
- A. ODUk-SNCP does not involve a switching protocol, so it can assure customers that the test switching time must be less than 50ms
- B. ODUk-SNCP protection is superimposed on OLP protection. In order to avoid secondary switching of SNCP protection, the delay time can be set in the SNCP protection group
- C. By default, the power difference between the main and backup channels of the OLP protection group exceeds 3dB and reports an alarm, and the maximum can be set to 8dB;
- D. OLP master and backup optical power abnormal threshold exceeds 5dB by default to perform switching, and the threshold range can be set from -5 to 5
- E. In the OTN bearer SDH multiplex section ring networking scenario, in order to avoid simultaneous switching of OLP protection and MSP protection, the delay time can be set in the MSP protection group
Correct Answer: A,D,E 🗳️
The ring network of the OSN6800 equipment group was newly opened, and ODU1-SNCP/N protection was enabled. The engineer reported that a switch occurred one day and has not been restored, but there is no problem with the optical cable. There is an ODU_SNCP_PS alarm on the corresponding ND2 optical port.
Possible reasons are: (multiple choices)
- A. The related circuit board has a minor alarm ODU1_PM_LCK
- B. Related circuit board failure
- C. "LCK Insert" is set to enable the PM overhead of the related circuit board
- D. The protection type is configured as SNC/I
Correct Answer: A,B,C 🗳️
When shutting down the U2000 dual-computer system (Solaris), the following commands will be used:
① $ ./stopnms.sh
② 1> shutdown SYB_BACKUP 2> go
③ shutdown -y -g0 -i5,
④ # sync; sync; sync; sync
The correct order in which these commands appear is ()
- A. ④②①③
- B. ①②④③
- C. ②①④③
- D. ④①②③
Correct Answer: B 🗳️
After a maintenance person failed to start the CORBA interface, he listed several inspection steps.
1. View the log file "%IMAPROOT%/server\var\logs\Develop\nbi\Agent_CORBA\unbi_sys_yyyyMMdd_hhmmss_*.log";
2. Check whether the U2000 License file supports the U2000 CORBA interface function;
3. Check if the %IMAPROOT%/server/ns.ior file is deleted. Is his operation correct?
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
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