Huawei : H12-931-ENU Questions & Answers
Updated: Sep 28, 2026
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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IPRAN and Converged Transport | - Synchronization and timing in transport networks - IPRAN architecture and deployment scenarios |
| Transmission Network Technologies | - Optical layer networking and protection mechanisms - DWDM/ROADM technologies |
| Optical Transport Network Fundamentals | - WDM system fundamentals - OTN technology and frame structure - SDH/SONET principles and architecture |
| Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
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. C2 byte in the sending direction of NE1
- D. NE3 receiving direction C2 byte
Correct Answer: C,D 🗳️
As shown in the figure, in the business configuration of the PP ring belt chain, discrete services are generated due to incomplete or incorrect configuration. In order to solve this discrete service, the service configuration needs to be supplemented. Which of the following steps are correct? (More select)
- A. ADM3 is not configured for optional reception, configure it directly on U2000
- B. Create a two-way collusion service on U2000 for a single station of ADM2 site
- C. Create a one-way collusion service on U2000 for a single station of ADM2 site
- D. ADM3 site is not configured with optional receiving, you need to delete the working receiving and configure it again
Correct Answer: C,D 🗳️
The OAU105 single board of the OTN system has a maximum output power of 23dBm, and the maximum output power of a single wavelength in the 40-wavelength system can be calculated to be 4dBm
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
When the OTN equipment is connected to the Cisco equipment, the amount of CRC error packets on the Cisco equipment interface is relatively large. The impossible reasons are:
- A. Abnormal docking optical power
- B. The amount of error on the line side of the OTN equipment is large
- C. The docking optical module is faulty
- D. The type of the docking optical module is wrong
Correct Answer: D 🗳️
When the return loss is too low, it is strictly forbidden to turn on the RAMAN laser, but when the return loss is too high, it is possible to turn on the RAMAN laser.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
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