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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 refrigerant air cylinder of Huawei air-cooled air conditioner does not need to be inverted on the electronic scale when charging the refrigerant.

A) False
B) True

2. The alarm management functions supported by the ECC800 are (). (Multiple choice)

A) View historical alarms
B) Alarm parameter setting
C) Filtering alarms
D) Alarm data export

3. When the UPS5000-E is installed in parallel, it is not necessary to connect the UPS parallel lines of the parallel system into a loop.

A) False
B) True

4. The default battery charge voltage of the UPS2000-G is ( ) V/cell.

A) 2.35
B) 2.15
C) 2.25
D) 2.45

5. NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().

A) Water leakage at the bottom of the equipment
B) The return air temperature or fan speed fluctuates greatly
C) Temperature and humidity sensor cannot detect temperature and humidity
D) Equipment drainage capacity is significantly reduced

Solutions: