H12-411 試験問題を無料オンラインアクセス

The northbound interface of Huawei monitoring system NetEco can be accessed ().

• A.higher level network management
• B.Fire system
• C.Refrigeration system
• D.Lighting System

What types does Dual power switch ATS switch according to the different type of switches can be divided into? (Multiple choice)

• A.Closed switch
• B.Instantaneous switch
• C.Delay switch
• D.Standard switch

UPS front-end input can be two-way mains, a master and a backup. Also could be all the way electricity, all the way to the oil machine input.

• A.True
• B.False

In the main inverter modeT the inverter will change from main inverter to battery inverter mode when overloaded.

• A.TRUE
• B.FALSE

In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure.

• A.True
• B.False