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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: NHP & OSU Technology | 4% | - OSU features and scenarios - NHP and OSU principles |
| Topic 2: Electrical-layer ASON Configuration | 3% | - Service creation and maintenance - Control plane management |
| Topic 3: Transmission Network QoS | 4% | - QoS principles and technologies - QoS and HQoS application |
| Topic 4: Clock Synchronization & DCI Solutions | 6% | - Synchronization technologies - DCI architecture and deployment |
| Topic 5: MS-OTN Service Configuration | 6% | - MPLS-TP and OSU services - OTN, SDH, EoO, EoS services |
| Topic 6: Fiber Sensing & Troubleshooting | 8% | - End-to-end troubleshooting - Alarm analysis and fault location - Distributed fiber sensing principles |
| Topic 7: Optical-layer ASON Configuration | 3% | - Diamond/Silver/Copper service creation - Control plane management |
| Topic 8: Optical Doctor & Fiber Doctor | 6% | - Configuration and fault detection - System composition and principles |
| Topic 9: iMaster NCE-T | 6% | - Routine O&M management - System overview and functions |
| Topic 10: NG WDM Network Planning & Design | 6% | - Design process and elements - DCN planning and optimization |
| Topic 11: All-Optical & Turbo WDM | 5% | - Turbo WDM architecture and applications - OXC and all-optical switching |
| Topic 12: OTN Device Deployment & Commissioning | 6% | - NE commissioning and data backup - OSC and optical power commissioning - Initial configuration |
| Topic 13: ASON Principles & Applications | 6% | - Typical application scenarios - Architecture, protocols and functions |
| Topic 14: SDH-to-OTN Upgrade & Network Reconstruction | 10% | - Upgrade solutions and implementation - OTN node and capacity expansion - Protection reconstruction |
| Topic 15: High-Speed & ULH Technologies | 7% | - Coherent and extended band transmission - ULH solutions and deployment |
| Topic 16: Transmission Network Products | 4% | - Overview and application scenarios - Cabinets, subracks and common boards |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
1. The SNCP ring network composed of OptiX OSN 3500 equipment uses GXCSA as the cross-connect board, and the main ring is equipped with an SL64 single board. A and B are two adjacent nodes.
The station B receives a large number of errors in the regeneration section and multiplex section on the SL64 board of station A.
At the same time, station A receives the remote error code of the multiplex section reported on the SL64 board of station E.
In the networking diagram, it is found that the distance between A and B is 100km, the rate is 10G, and the configuration structure is "light board + BA + PA + DCU + light board".
Which of the following causes the error code to occur? (multiple choice)
A) Error code caused by light board failure
B) Insufficient BA+PA gain leads to bit errors
C) Cross-board and circuit board coordination problems cause bit errors
D) DCU module model error
2. The following about system OSNR commissioning errors are
A) The multiplexer is an M40V single board, "watching the receiving end, modulating the end", while ensuring that the optical power flatness meets the index requirements, the optical power flatness can be sacrificed to ensure the flatness of the OSNR (or BER)
B) APE automatically adjusts the optical power of each channel to ensure that the optical power of the receiving end is flat, thereby ensuring a flat OSNR
C) One of the principles of the OSNR flatness commissioning of the MPI-R point system: After the pump power is determined, the OSNR flatness of the MPI-R point is detected by a spectrometer, if the OSNR flatness is not up to standard (OSNR flatness index ≤ 2dB) , You need to adjust M40V
D) Adjust the single-wave flatness first, and then adjust the optical power of the main line
3. When configuring client-side 1+1 protection, if the working OTU and the protection OTU are on different network elements, the control channel board type can be OLP or SCS board
A) TRUE
B) FALSE
4. Which of the following functions can the PTN equipment handle the GE optical interface of the single board through the Ethernet? (multiple choice)
A) Docking with STM-N interface
B) Interfacing with customer equipment
C) Docking with ODUk interface
D) Realize physical layer synchronization
E) Realize IEEE 1588 V2 synchronization
F) Docking with PTN equipment
5. The ODU product label is shown in the picture. Which of the following statements is correct? (multiple choice).
A) The transceiver interval of this ODU is 154MHz
B) The transmitting frequency of this ODU is located in sub-band A of 7GHz
C) This ODU can be used as low station
D) The receiving frequency range is: 7582-7638MHz
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: B,D,E,F | Question # 5 Answer: A,B |
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