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Huawei H12-421-ENU Exam Syllabus Topics:

Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:

1. The function of the ATS input unit / MCCB input unit of the integrated UPS is ().

A) Provide branch output of UPS direct supply
B) Monitor the running status
C) Provide dual or single input to the cabinet
D) Provide branch output for direct supply from the mains

2. Before the UPS5000 is powered on, it is necessary to check that the UPS input switch, bypass switch, output switch, maintenance bypass switch, battery open) have all been placed in the "OFF" state.

A) True
B) False

3. The report functions of NetEco has a variety of presentation forms, including visualization of bar charts, pie charts, graphs, etc.

A) True
B) False

4. In the air conditioning system, the pipe can maintain a positive pressure and the pipe can maintain a negative pressure.

A) True
B) False

5. The main reason for the energy-saving effect of the closed cold/hot passage is (). (Multiple choice)

A) Isolating hot and cold air, avoiding the confusion of hot and cold air and improving the utilization of cold air.
B) It can increase the air supply temperature of the air conditioner, thus reducing the energy consumption of the air conditioner.
C) The closed heat channel can increase the return air temperature and improve the cooling efficiency.
D) Reduce the humidification power consumption by increasing the supply air temperature and reducing the power consumption of humidification.

Solutions: