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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Fiber Sensing & Troubleshooting | 8% | - End-to-end troubleshooting - Alarm analysis and fault location - Distributed fiber sensing principles |
| High-Speed & ULH Technologies | 7% | - ULH solutions and deployment - Coherent and extended band transmission |
| Transmission Network Products | 4% | - Cabinets, subracks and common boards - Overview and application scenarios |
| Electrical-layer ASON Configuration | 3% | - Service creation and maintenance - Control plane management |
| MS-OTN Service Configuration | 6% | - MPLS-TP and OSU services - OTN, SDH, EoO, EoS services |
| NHP & OSU Technology | 4% | - OSU features and scenarios - NHP and OSU principles |
| OTN Device Deployment & Commissioning | 6% | - Initial configuration - NE commissioning and data backup - OSC and optical power commissioning |
| Optical-layer ASON Configuration | 3% | - Diamond/Silver/Copper service creation - Control plane management |
| Transmission Network QoS | 4% | - QoS and HQoS application - QoS principles and technologies |
| ASON Principles & Applications | 6% | - Architecture, protocols and functions - Typical application scenarios |
| Optical Doctor & Fiber Doctor | 6% | - Configuration and fault detection - System composition and principles |
| NG WDM Network Planning & Design | 6% | - Design process and elements - DCN planning and optimization |
| SDH-to-OTN Upgrade & Network Reconstruction | 10% | - Protection reconstruction - Upgrade solutions and implementation - OTN node and capacity expansion |
| iMaster NCE-T | 6% | - Routine O&M management - System overview and functions |
| Clock Synchronization & DCI Solutions | 6% | - Synchronization technologies - DCI architecture and deployment |
| All-Optical & Turbo WDM | 5% | - OXC and all-optical switching - Turbo WDM architecture and applications |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
Question 1
NE1, NE2, NE3, NE4, and NE5 form an MSP ring, and there is an STM-1 link between NE1 and NE3. An SNCP VC-4 service is created between NE1 and NE3. The working source of this VC-4 service is on the MSP working path, and the protection source is on the STM-1 link. SNCP delay time is 100ms. When a fiber break occurs for the first time (between NE1 and NE2), the MSP switches normally. When the fiber is cut for the second time in the MSP ring (between NE3 and NE5), the SNCP service is interrupted and no SNCP protection switching occurs.
What are the solutions?
A. Set HP_UNEQ alarm as SNCP switching trigger condition
B. Change the rate of STM-1 to STM-4
C. Delete delay time
D. Remove NE4
Question 2
If a ROADM site adopts WSS+RMU configuration, which of the following influences on SOM is wrong ()?
A. The source and sink optical amplifiers of the optical crossover at this site must be in the same network element
B. If the local RMU is used to add waves and has an optical amplifier, the OSNR value of the wavelength in the pass-through direction detected by SOM will deviate from the actual value
C. There is a local optical amplifier but no filter, the full-wave noise of the local optical amplifier affects the OSNR of the wavelength in the pass-through direction
Question 3
Use the integral method to measure the OSNR value of a 100G signal, read from the OSA, the integrated value of the signal power + noise power in the channel interval is 9.68uW, the integrated value of the noise power in the channel interval is 29.58nW, and the signal center frequency is within 0.1nm. The integrated power is 7.395nW, the OSNR value is ()?
A. 10log [(9.68+0.007395)/0.02958]
B. 10log [(9.68-0.007395)/0.02958]
C. 10log [(9.68-0.02958)/0.007395]
D. 10log [(9.68+0.02958)/0.007395]
Question 4
In the ASON network, when a root optical fiber contains part of the multiplex section, the working time slot of the multiplex section constitutes (); the protection time slot of the multiplex section constitutes (), and the time slots unrelated to the multiplex section constitute (). If resources are reserved for the time slot (for static service use), this part of the time slot is divided into ().
Please select the answer that meets the requirements from the options below in order.
A. Protected link, working link, unprotected link, unprotected link
B. working link, protected link, unprotected link, static service dedicated link
C. working link, protection link, unprotected link, unprotected link
D. working link, protection link, unprotected link, protection link
Question 5
Hybrid MSTP devices support cross-domain clock intercommunication, and support the intercommunication of synchronous Ethernet and SDH synchronization.
A. FALSE
B. TRUE
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: C | Question 4 Answer: B | Question 5 Answer: B |
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