Study with H12-931-ENU Actual Test Questions
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Updated: Aug 05, 2026
No. of Questions: 320 Questions & Answers with Testing Engine
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Huawei H12-931-ENU Exam Overview:
| Certification Vendor: | Huawei |
| Exam Name: | HCIE-Transmission (Written Exam) |
| Exam Number: | H12-931-ENU |
| Available Languages: | English, Chinese |
| Related Certifications: | Huawei Certified Internetwork Expert - Transmission Lab Exam |
| Exam Format: | Multiple Choice Questions |
| 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 |
|---|---|
| Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
| Optical Transport Network Fundamentals | - SDH/SONET principles and architecture - OTN technology and frame structure - WDM system fundamentals |
| Transmission Network Technologies | - Optical layer networking and protection mechanisms - DWDM/ROADM technologies |
| IPRAN and Converged Transport | - IPRAN architecture and deployment scenarios - Synchronization and timing in transport networks |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
1. If OSS is connected to the CORBA interface, a session connection is established between U2000 and OSS. Regarding the session connection, which of the following descriptions is wrong?
A) The CORBA agent will continue to ping the Oss, and the connection will be disconnected if there is no response for 4 times
B) After the session connection is established, the U2000 CORBA interface will periodically call back the ping method of the upper-layer network management registration object NMSSession_I (the ping here is the ping command usually referred to)
C) There is also a response timeout time between the OSS system and the notification service, which can be set by the customer according to the network situation
D) U2000 CORBA agent will actively send a heartbeat notification to OSS every 30s, its main purpose is to detect the service status of the notification service
2. Raman gain depends on the pump power and the quality of the fiber link
A) TRUE
B) FALSE
3. U2000-managed dual-machine software Veritas needs to apply for a license, one for the main and standby machines, and import them after activation. The licenses for the main and standby machines are different. For the U2000 license, you also need to activate it with their own ESNs and import them separately. The ESNs of the licenses of the active and standby machines are different.
A) TRUE
B) FALSE
4. The single-fiber bidirectional optical interface of PTN equipment distinguishes upstream and downstream service flows according to time slots.
A) TRUE
B) FALSE
5. The upgrade from GACSA to UXCSB for OSN 3500 equipment is as follows:
1. Replace the spare cross-connect board
2. Switching between active and standby cross-connect boards
3. Replace the original main cross board
4. Data consistency check
A) 4321
B) 1234
C) 4231
D) 2134
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |
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