HCIA-Data Center Facility V2.0
H12-411_V2.0 Free Questions
In Huawei's dynamic environment monitoring system, it is at the data collection layer and
can integrate the underlying components ____________. The equipment through which
information is transmitted to the monitoring software is ____________.
Answer: UPS, Air conditioner etc , ECC800
The computer room air conditioner is suitable for scenarios ____________.
Answer: modular data centers, container data centers, medium and large data centers
The access control system can only set the user to open the door, and cannot set when to open the
The following air conditioners are comfortable air conditioners ____________.
Answer: commercial air conditioners
There are generally two types of variable air volume ventilated floors, one is through an adjustable air
valve, and the other is a dedicated ventilated floor plus adjustable fans.
The increase of cabinet power density will lead to the emergence of local hot spots in the computer
room, and row-level air conditioners can solve local problems. The hot spot is too high.
The following Does the model of air conditioner have an oil separator?
The following is for high frequency ups. The correct description of the rectifier components is.
A. Complete AC to DC conversion
B. Complete DC to AC conversion
C. Realize power factor correction and pressure reduction function
D. Realize power factor correction and boost function
When the AC power equipment is introduced in the three-phase four-wire system, in addition to the
grounding of the near end of the power transformer, the near end of the electrical equipment and the
equipment room should be grounded