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Huawei H12-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Huawei Data Center Cooling System | 30% | - Precision air conditioning installation, commissioning and fault handling - Chilled water distribution and cooling infrastructure - Air supply modes and airflow management - Common cooling system architectures |
| Topic 2: Huawei Data Center Power Distribution System | 32% | - Power distribution cabinet and busbar installation and configuration - UPS system installation, commissioning and fault handling - Battery system installation, commissioning and fault handling - Common power distribution architectures and solutions |
| Topic 3: Other Auxiliary Systems | 5% | - Fire protection and gas extinguishing system - Cabling and access control system - Fresh air and environmental control system |
| Topic 4: Huawei Data Center Facility Overview | 5% | - Architecture and composition of Huawei data center facilities - Development trends of data center infrastructure |
| Topic 5: Huawei Data Center Monitoring & Management System | 28% | - Alarm management and fault diagnosis - Sensor and actuator installation and networking - NetEco management platform operation and maintenance - ECC800 monitoring system deployment and configuration |
Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:
Which of the following is not the reason why the NetCol 8000-A infrared humidifier water tray is not filled with water?
- A. Infrared lamp damage
- B. The water pressure is abnormal
- C. Inlet line valve is not open
- D. The water injection pipe is blocked
Correct Answer: A 🗳️
The UPS5000-E can press the battery cold start button on the bypass module without the main bypass input to start the inverter, and the system will automatically enter the battery inverter mode.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
When installing the Huawei air-cooled air conditioner, the refrigerant pipeline positive pressure is required to be () hours.
- A. 8
- B. 36
- C. 12
- D. 24
Correct Answer: D 🗳️
NeCol5000-C nitrogen filling pressure value is (); holding time is ().
- A. 1.0MPa; 24h
- B. 0.8MPa; 24h
- C. 1.0MPa; 12h
- D. 0.8MPa; 12h
Correct Answer: B 🗳️
Which of the following components do not support wireless networking?
- A. Skylight actuator
- B. ETH converter
- C. AC actuator
- D. Access control actuator
Correct Answer: B 🗳️
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