Huawei H12-425 Online Practice Questions and Exam Preparation

Huawei H12-425 Online Questions & Answers

• Question 201:

  For NetCol5000-A installation, preserving positive pressure for the pipes is the same as preserving negative pressure. You can select either to hold.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 202:

  The compressor discharge pressure of NetCol5000-A is low, the possible reasons (). (Choose two)

  A. The outdoor fan speed controller fails.
  B. Refrigerant leaks.
  C. The oil trap has not been set
  D. The indoor fan is running at low speed
  A. The outdoor fan speed controller fails.
  B. Refrigerant leaks.

• Question 203:

  The work modes of rotary wheel free cooling solution are ().

  A. Compressor cooling mode
  B. Direct ventilation mode
  C. Mixed mode
  D. Free cooling mode
  A. Compressor cooling mode
  C. Mixed mode
  D. Free cooling mode

• Question 204:

  Commissioning NetCol5000-C drainage devices, after lifting the high float for 5sec. , two water pumps start working, and the drain abnormal alarm is generated.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 205:

  A maximum of () UPS5000-E0400K can be connected in parallel.

  A. 2
  B. 4
  C. 6
  D. 8
  B. 4

• Question 206:

  Power segment function is enabled on UPS2000-G-20kVA. Which will cause the loads connected with PL terminals power- off? (Choose two)

  A. Overload
  B. Battery under voltage
  C. Mains input interruption
  D. Mains Under voltage
  A. Overload
  B. Battery under voltage

• Question 207:

  The () is used to urgently start gas fire extinguishing equipment in a case of fire.

  A. Emergency abort button/manual gas release button
  B. Fire cylinder
  C. Pressure switch
  D. Electromagnetic valve
  A. Emergency abort button/manual gas release button

• Question 208:

  NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().

  A. Water leakage at the bottom of the equipment
  B. The return air temperature or fan speed fluctuates greatly
  C. Equipment drainage capacity is significantly reduced
  D. Temperature and humidity sensor cannot detect temperature and humidity
  D. Temperature and humidity sensor cannot detect temperature and humidity

• Question 209:

  When the UPS5000-E works in normal mode, in which condition will the UPS automatically transfer to bypass mode?

  A. Mains outage occurs.
  B. The power module is overloaded for a period longer than the specified time.
  C. Power module overtemperature occurs.
  D. Bypass module hardware is faulty.
  B. The power module is overloaded for a period longer than the specified time.

• Question 210:

  Overcharging can cause internal pressure of batteries too high.

  A. TRUE
  B. FALSE
  A. TRUE