Huawei H12-411 Online Practice Questions and Exam Preparation

Huawei H12-411 Online Questions & Answers

• Question 121:

  In the battery structure, the ____________ component functions to remove excess gas.

  safety valve

• Question 122:

  The following are indirect contact heat and moisture treatment equipment ____________ .

  surface cooler, finned air heater, evaporator

• Question 123:

  In the main road mode, when ups The front-end voltage is at 220V?0%When fluctuating,ups The output voltage will also have Larger fluctuations.

  A. True
  B. False
  B. False

• Question 124:

  PLE Defined as the power consumption of the data center power supply and distribution system and IT The ratio of the power consumption of the device.

  A. True
  B. False
  A. True

• Question 125:

  ATS The dual power supply automatic switch can realize the fast mechanical switching of the two power supplies.

  A. True
  B. False
  A. True

• Question 126:

  There are three different classifications of grounding forms in low-voltage power distribution systems, ____________ . The second capital letter represents ____________ .

  TN,TT,IT, representing the relationship between the exposed conductive part of the power receiving system and the ground

• Question 127:

  Common device communication methods are RS232,RS485,FE Wait.

  A. True
  B. False
  A. True

• Question 128:

  Regarding the description of the data center cooling system, the following ____________ is wrong.

  in the cabinet-level, row-level, and room-level cooling, the airflow path of the row-level cooling method is the shortest

• Question 129:

  Data center energy consumption mainly comes from environmental equipment, lighting systems, refrigeration systems, power distribution systems, etc. How to reduce the energy consumed by ____________ is the key to solving data center energy conservation in the industry.

  refrigeration systems

• Question 130:

  The dynamic environment monitoring system can be deployed in medium and large modular data centers, small modular data centers, container data centers, etc.

  A. True
  B. False
  A. True