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Huawei H12-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Power Distribution & UPS Systems | 25% | - Battery management and maintenance - PDU and power distribution architecture - Installation, commissioning and troubleshooting - UPS2000/5000 series principles and configuration |
| Topic 2: Cooling Systems | 25% | - Cooling principles and airflow design - Installation, commissioning and fault diagnosis - Energy saving and optimization - NetCol series precision air conditioners |
| Topic 3: Monitoring & Management System | 15% | - System maintenance and optimization - ECC800 monitoring system architecture - Sensor and device access - Configuration, alarm and management |
| Topic 4: Modular Data Center Solutions | 25% | - Deployment process and specifications - FusionModule1000 integrated solution - System integration and acceptance - FusionModule500/800 micro data centers |
| Topic 5: Data Center Facility Overview & Design Principles | 10% | - PUE and energy efficiency design - Site selection and layout planning - Basic concepts and development trends - Standards and specifications |
Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:
In ECO mode, the UPS operates in the () state when the input is stable.
- A. Maintenance bypass
- B. Battery
- C. Bypass
- D. Main road inverter
Correct Answer: C 🗳️
Which of the following options is a natural cooling system?
- A. Direct ventilation air conditioning system
- B. Water-cooled cold water air conditioning system
- C. Air-cooled direct expansion air conditioning system
- D. Water-cooled cold air conditioning system
Correct Answer: A 🗳️
When the UPS is parallel, it is necessary to check the input phase sequence of each UPS main bypass, but the output phase sequence is not required.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
When the Huawei air-cooled air conditioner outdoor unit is installed horizontally, the distance between the two outdoor units is greater than or equal to () mm.
- A. 2000
- B. 400
- C. 1200
- D. 800
Correct Answer: C 🗳️
The power indicator of the gas fire extinguishing controller is on and the alarm indicator is off indicating that the gas fire extinguishing controller is working properly.
- A. True
- B. False
Correct Answer: A 🗳️
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