Online Access Free H12-421-ENU Practice Test

After the NetCol5000-A25kW half-cabinet air-conditioning refrigerant pipeline is installed, do the nitrogen charge pressure maintaining, the nitrogen pressure is () Mpa.

• A.2.5
• B.3
• C.0.8
• D.2

The functions provided by Huawei's monitoring system NetEco are: (multiple choice)

• A.Support system power distribution view display
• B.Provide 2D, 3D data center view display
• C.Support modular level/cabinet level view display
• D.Provide a view creation tool for quick configuration view

The alarms of all devices can be displayed on the NetEco, but the corresponding alarm automatic formation work orders cannot be sent to the processor.

• A.FALSE
• B.TRUE

Which part of the data center design is currently affecting its PUE?

• A.Decoration system
• B.Building system
• C.Refrigeration system
• D.Power supply and distribution system

Which humidifier is used by the NetCol 8000-A?

• A.High pressure micro-mist humidifier
• B.Infrared humidifier
• C.Electrode humidifier
• D.Wet film humidifier