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Huawei H12-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cooling and Environmental Control | 20% | - Airflow management and hot/cold aisle containment - Precision air conditioning systems - Thermal monitoring and efficiency optimization |
| Topic 2: Structured Cabling Systems | 10% | - Labeling and documentation practices - Cable management and routing design - Fiber and copper cabling standards |
| Topic 3: Monitoring, Operation and Maintenance | 15% | - Capacity planning and optimization - DCIM (Data Center Infrastructure Management) - Routine maintenance and fault handling |
| Topic 4: Reliability and Safety Design | 10% | - Operational safety standards - Redundancy models (N, N+1, 2N) - Risk management and disaster recovery |
| Topic 5: Data Center Construction and MEP Integration | 15% | - Mechanical, Electrical, Plumbing (MEP) systems - Fire protection and safety systems - Site planning and infrastructure layout |
| Topic 6: Data Center Fundamentals and Architecture | 10% | - Overall architecture design principles - Key infrastructure components overview - Data center classification and tiers |
| Topic 7: Power Supply and Distribution Systems | 25% | - Backup power systems (generators, batteries) - UPS systems and redundancy design - Power distribution architecture |
Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:
1. When the device interface uses the Modbus-RTU protocol, what needs to be installed when accessing the ECC800?
A) AC actuator
B) Access control actuator
C) sunroof actuator
D) ETH converter
2. When the UPS5000-E is equipped with an IP21 component, the ejector component can also be installed.
A) True
B) False
3. When the internal short circuit of the battery occurs, the faulty battery charging voltage (), the open circuit voltage is low (generally less than 1V/cell).
A) all possible
B) Low
C) High
D) No change
4. When the differential pressure switch of the air filter of the indoor unit is closed, it indicates that the filter is too dusty and should be disposed of in time.
A) True
B) False
5. In ECO mode, the UPS operates in the () state when the input is stable.
A) Main road inverter
B) Maintenance bypass
C) Battery
D) Bypass
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: D |
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