Exam Name: Huawei Certified Internetwork Expert-Transmission
Certification Provider: Huawei
Corresponding Certification: HCIE-Transmission
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Huawei Certified Internetwork Expert-Transmission: H12-931-ENU Exam Premium File as PDF & Test Engine
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Last Updated: Oct 19, 2026
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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| Optical Transport Network Fundamentals | - OTN technology and frame structure - WDM system fundamentals - SDH/SONET principles and architecture |
| IPRAN and Converged Transport | - IPRAN architecture and deployment scenarios - Synchronization and timing in transport networks |
| Network Planning and Maintenance | - Fault management and performance monitoring - Transmission network design principles |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
PID (Photonics Integrated Device) is an optoelectronic integrated device, PID single board can realize multi-wavelength integration, 40Km without optical amplifier, 80Km without dispersion compensation ()
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
In a certain wavelength division system project, the 1st-20th wave LSX is configured, and the M40 output port is tested with a spectrum analyzer during commissioning. It is found that the optical power of the 20th wave is significantly lower than that of the other 19 waves. The possible reason is (multiple choice)
- A. The 20th wave LSX WDM side light emission is too small
- B. The insertion loss of the 20th channel corresponding to M40 is too large
- C. The RX port of the 20th wave LSX has an additional 5dB fixed light attenuation
- D. Wave 20 LSX wavelength shift
Correct Answer: A,B,D 🗳️
In the network management planning process, which item is not completely necessary?
- A. Network management software/hardware configuration
- B. Network scale planning, network management deployment planning
- C. DON network planning, OSS connection planning
- D. Network parameter planning and reliability planning of the network management server
Correct Answer: C 🗳️
An operator needs to configure 60 clients, 200 OptiX PTN 1900, 100 OptiX OSN 3800 (With ASON), 150 NE40E, 200 CX600 series equipment, and the access side is equipped with FTTx OLT and MDU, a total of 80,000 xDSL lines , 70,000 lines of PSTN ports, 30 OLTs and 300 MDU devices are deployed.
Regarding the description of this network, the error is:
- A. The number of equivalent network elements for 100 OptiX OSN 3800 (With ASON) is 350
- B. The network is a medium-scale network
- C. In practice, 50% of the current network size needs to be reserved for expansion capacity
- D. The number of physical network elements to be managed by the network management center is 980
Correct Answer: C 🗳️
A certain system is configured with SOM, only the optical power information is in the query spectrum analysis data, and the OSNR is displayed as "---". The OSNR is abnormal at this time, the possible reason is ()?
- A. There is a single-board optical cross-connection in the Och path or the Och is not created
- B. Scanning spectra of OMCA/MCA4/MCA8 boards are inconsistent
- C. After the networking changes, the SOM function is not reconfigured
- D. The OMS segment is not correctly configured or the OMS segment is configured with a board not in place
- E. Abnormal communication between network elements
Correct Answer: A,B,C,D,E 🗳️
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