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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. When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be warmed up for more than ( ) hours.

A) 6
B) 2
C) 24
D) 12

2. Cold/hot channel enclosure is an energy-saving technology used to solve data center cooling problems.

A) TRUE
B) FALSE

3. When the battery is discharged, the discharge voltage of a faulty battery drops rapidly, resulting in insufficient backup time for the entire battery. What should be done?

A) Forced equalization, replacement of faulty battery
B) scrapping the entire battery
C) No need to deal with
D) Performing a discharge

4. Huawei precision air conditioners support up to () air conditioners to form a group control.

A) 32
B) 16
C) 8
D) 48

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

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

Solutions: