Huawei H12-411 Online Practice Questions and Exam Preparation

Huawei H12-411 Online Questions & Answers

• Question 1:

  The function of the air system is to rationally organize the flow of indoor air, so that the temperature, humidity and cleanliness of the air in the indoor working area can better meet the process requirements and the comfort requirements of the human body.

  A. True
  B. False
  A. True

• Question 2:

  The parameters that can reflect the energy efficiency and energy use efficiency of the data center are ____________ .

  PUE

• Question 3:

  The leakage protector is mainly divided into electronic type and electromagnetic type according to the action mode.

  A. True
  B. False
  A. True

• Question 4:

  Which of the following statements about the battery is wrong:

  A. The battery room should prevent the temperature from being too high to prevent thermal runaway.
  B. The reason for the swelling of the battery is that the pressure becomes higher due to excessive gas evolution.
  C. When the battery reaches the end of its service life, it does not require special treatment and can be sold directly to scrap for recycling.
  D. When the battery leaks, do not touch it directly with your hands.
  C. When the battery reaches the end of its service life, it does not require special treatment and can be sold directly to scrap for recycling.

• Question 5:

  pPUE is a data center PUE An extension of the concept, used to evaluate the energy efficiency of a local area of a data center or equipment And analysis.

  A. True
  B. False
  A. True

• Question 6:

  For only having Modbus The power supply and distribution equipment of the agreement can be passed ____________ Connected to the dynamic loop monitoring system.

  RS485

• Question 7:

  In the main inverter mode,ups When overloaded, it will switch from the main circuit inverter to the battery inverter mode.

  A. True
  B. False
  B. False

• Question 8:

  ____________ is a fire detector that detects smoke particles.

  Smoke detector

• Question 9:

  The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.

  A. True
  B. False
  B. False

• Question 10:

  The following ____________ Yes UPS 2N. The advantages of the system.

  power supply redundancy, no need to switch the load to maintenance bypass mode, you can ups System maintenance, no single path failure point