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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| ASON Principles & Applications | 6% | - Typical application scenarios - Architecture, protocols and functions |
| Electrical-layer ASON Configuration | 3% | - Service creation and maintenance - Control plane management |
| Optical-layer ASON Configuration | 3% | - Control plane management - Diamond/Silver/Copper service creation |
| Fiber Sensing & Troubleshooting | 8% | - Distributed fiber sensing principles - End-to-end troubleshooting - Alarm analysis and fault location |
| iMaster NCE-T | 6% | - System overview and functions - Routine O&M management |
| Optical Doctor & Fiber Doctor | 6% | - System composition and principles - Configuration and fault detection |
| MS-OTN Service Configuration | 6% | - OTN, SDH, EoO, EoS services - MPLS-TP and OSU services |
| OTN Device Deployment & Commissioning | 6% | - OSC and optical power commissioning - Initial configuration - NE commissioning and data backup |
| Clock Synchronization & DCI Solutions | 6% | - DCI architecture and deployment - Synchronization technologies |
| NG WDM Network Planning & Design | 6% | - Design process and elements - DCN planning and optimization |
| Transmission Network QoS | 4% | - QoS principles and technologies - QoS and HQoS application |
| SDH-to-OTN Upgrade & Network Reconstruction | 10% | - Protection reconstruction - Upgrade solutions and implementation - OTN node and capacity expansion |
| All-Optical & Turbo WDM | 5% | - OXC and all-optical switching - Turbo WDM architecture and applications |
| High-Speed & ULH Technologies | 7% | - ULH solutions and deployment - Coherent and extended band transmission |
| NHP & OSU Technology | 4% | - NHP and OSU principles - OSU features and scenarios |
| Transmission Network Products | 4% | - Overview and application scenarios - Cabinets, subracks and common boards |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
In the network, clock equipment is usually used to ensure network synchronization, and different clock sources are selected according to the requirements of different clock accuracy. If you want to meet the clock accuracy of G.811, which clock source can you choose? (multiple choice)
- A. Beidou + Rubidium Atomic Clock
- B. GPS+ crystal clock
- C. Cesium Atomic Clock + Rubidium Atomic Clock
- D. GPS+ Rubidium Atomic Clock
Correct Answer: A,C,D 🗳️
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. Wave 20 LSX wavelength shift
- 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. The 20th wave LSX WDM side light emission is too small
Correct Answer: A,B,D 🗳️
Two SNCP rings intersect. For cross-ring services, the configuration of intersecting nodes is particularly important. In order to achieve the best protection effect, each intersecting node needs to be configured with 1 unidirectional cross-connection and 2 pairs of SNCP protection groups.
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
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. 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
- 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. 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)
Correct Answer: D 🗳️
Which of the following descriptions about the client-side 1+1 protection features is wrong?
- A. OTU customer optical layer dual sending and selective receiving;
- B. Long application time and wide protection range;
- C. Protect the OTU board and OCh optical fiber by occupying the two wavelengths of the downstream and protecting the two wavelengths, and using different routes for transmission;
- D. The working and protection wavelengths must be the same;
Correct Answer: D 🗳️
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