Online Access Free H12-421 Exam Questions

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

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

Which mode of air supply is suitable for data centers with high power density in a single cabinet.

• A.Upper air duct
• B.Row level
• C.Under the floor
• D.Upper hood

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.False
• B.True

The UPS5000 option temperature and humidity sensor does not support cascading.

• A.False
• B.True

Which humidifier is used by the NetCol 8000-A?

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