Huawei H12-411_V2.0-ENU HCIA-Data Center Facility V2.0 Online Training
Huawei H12-411_V2.0-ENU Online Training
The questions for H12-411_V2.0-ENU were last updated at Apr 02,2025.
- Exam Code: H12-411_V2.0-ENU
- Exam Name: HCIA-Data Center Facility V2.0
- Certification Provider: Huawei
- Latest update: Apr 02,2025
In an air conditioning system, which of the following uses water cooling or air cooling to cool the high-temperature and high-pressure gas discharged from the compressor and release the heat to the outside?
- A . Evaporator
- B . Condenser
- C . Compressor
- D . Expansion valve
Which of the following are the advantages of UPS 2N system?
- A . Power supply redundancy, the UPS system can be maintained without switching the load to maintenance bypass mode, and there is no single path failure point
- B . The hardware configuration cost is low, and the UPS works under the designed high load conditions with the highest efficiency and higher reliability than the mains.
In the power supply and distribution system of the data center, if a power outage occurs, the backup switching between AC power and AC power or between AC power and diesel generator is generally completed by ().
- A . Automatic transfer switch system
- B . Diesel generator system
- C . Low voltage power distribution system
- D . Rack power distribution system
Which of the following is correct about the upward supply and downward return air supply method?
- A . The air supply outlet is located at the upper part of the air-conditioned room, and the air return outlet is located at the lower part of the air-conditioned room.
- B . None
In a circuit with resistance and capacitance, if the frequency of the current increases from 50 Hz to 100 Hz, how will the impedance of the circuit change?
- A . Increase
- B . Reduce
- C . No change
- D . Uncertain
Which of the following statements about UPS rectifiers is wrong?
- A . With boost function
- B . can convert direct current into alternating current
- C . Can reduce UPS pollution to the power grid
- D . Can realize power factor correction
What is the maximum data transmission rate supported by FE (Fast Ethernet)?
- A . 100K
- B . 10 M
- C . 1000 M
- D . 100 M
Which of the following statements about condensers is wrong?
- A . Under normal circumstances, the inlet temperature of the condenser in an air-cooled direct expansion air conditioner is higher than the outdoor temperature.
- B . Condensers can be divided into air-cooled condensers and water-cooled condensers.
- C . Condensation water will be generated when indoor air passes through the surface of the condenser.
- D . The condenser of an air-cooled direct expansion air conditioner is generally installed outdoors.
Which of the following descriptions about data center monitoring systems is wrong?
- A . Can monitor power system, environmental system, fire protection system, etc.
- B . Remote monitoring is not supported
- C . Can provide multiple alarm methods such as voice and short message
- D . Intelligent monitoring system can improve management efficiency
In the UPS system, which of the following is the most comprehensive description of the role of the inverter circuit?
- A . Convert the DC voltage or battery voltage after AC rectification into AC voltage
- B . No other options
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