H12-411 무료 덤프문제 온라인 액세스

Data center energy consumption mainly comes from the ring equipment, lighting system, refrigeration systems, power supply and distribution system. How to reduce the energy dissipations of the () is the key to solve data center energy conservation in the industry at present

• A.Power Supply and Distribution System
• B.IT equipment
• C.Refrigeration system
• D.Lighting System

The following () options belong to water-cooled chilled water air conditioners. (Multiple choice)

• A.need to install a cooling tower
• B.No need to install a cooling tower
• C.Suitable for medium and large data centers
• D.Only for small data centers

In the UPS system, the most comprehensive description of the role of the inverter circuit is?

• A.Convert the rectified DC voltage into AC voltage
• B.The battery voltage is converted to AC voltage
• C.Convert the rectified DC voltage or battery voltage into AC voltage
• D.Convert AC to DC

Alarms of the dynamic environment monitoring system usually have different levels.

• A.True
• B.False

The function of the following () parts is to help with oil return.

• A.reverse bend
• B.Oil trap
• C.oil sight glass
• D.liquid lens