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Huawei H12-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Operation and Maintenance | 15% | - Capacity planning and optimization - Routine maintenance and fault handling - DCIM (Data Center Infrastructure Management) |
| Topic 2: Cooling and Environmental Control | 20% | - Airflow management and hot/cold aisle containment - Precision air conditioning systems - Thermal monitoring and efficiency optimization |
| Topic 3: Power Supply and Distribution Systems | 25% | - Backup power systems (generators, batteries) - Power distribution architecture - UPS systems and redundancy design |
| Topic 4: Structured Cabling Systems | 10% | - Labeling and documentation practices - Fiber and copper cabling standards - Cable management and routing design |
| Topic 5: Reliability and Safety Design | 10% | - Risk management and disaster recovery - Operational safety standards - Redundancy models (N, N+1, 2N) |
| Topic 6: Data Center Construction and MEP Integration | 15% | - Mechanical, Electrical, Plumbing (MEP) systems - Fire protection and safety systems - Site planning and infrastructure layout |
| Topic 7: Data Center Fundamentals and Architecture | 10% | - Key infrastructure components overview - Overall architecture design principles - Data center classification and tiers |
Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:
Question #1
The device accesses the ECC800 monitoring system through a smart ETH socket, using the () interface of the intelligent FTH socket.
A. RS485
B. AI/DI
C. PoE
D. FE
Question #2
According to different layouts, the Fusion Module 2000 can realize battery entry or not.
A. True
B. False
Question #3
What are the working mode of the runner natural cooling scheme? (Multiple choice)
A. Complete natural cooling mode
B. Direct ventilation mode
C. Complete compressor cooling mode
D. Mixed mode
Question #4
When installing the Huawei air-cooled air conditioner, the refrigerant pipeline positive pressure is required to be () hours.
A. 12
B. 24
C. 36
D. 8
Question #5
Which is not a routine maintenance item of the ECC800 power module?
A. Check the ECC800 module fan
B. Create a micro-module plan view
C. Check if the power indicator is normal.
D. Check if the power wiring is loose
Solutions:
| Question #1 Correct Answer: C | Question #2 Correct Answer: A | Question #3 Correct Answer: A,C,D | Question #4 Correct Answer: B | Question #5 Correct Answer: B |


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