Free HCIA Data Center Facility V1.0 Exam H12-411 Exam Practice Test

Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)

• Cooling coil
• Coil air heater
• Electrode humidifier
• Evaporator

If the capacity of the UPS is 20KVA, the UPS front end input capacity may be () during normal operation.

• 20KVA
• 19KVA
• 18KVA
• 25KVA

The following statement which is correct? (Multiple choice)

• A NetEco network management system can only monitor and manage one micro module.
• A NetEco network management system can monitor and manage multiple micro modules.
• One ECC800 can correspond to multiple NetEco monitoring systems.
• A NetEco monitoring system can correspond to multiple ECC800.

Data center usually uses the gas fire system.

• True
• False

Users can in which interface upgrade the device version?

• Software Management
• Report Management
• Asset Management
• Stock Management

Cryogenic components improve the continuous low pressure caused by low temperature start-up, thus allowing the air conditioner to start up normally.

• TRUE
• FALSE

The function of the wind system is to properly organize the flow of indoor air so that the temperature, humidity and cleanliness of the air in the indoor work area can better meet the technical requirements andhuman comfort requirements.

• TRUE
• FALSE

Compressor is the heart of the refrigeration cycle, is the power plant of the refrigerant in the system inner loop: the low temperature and low pressure steam from the evaporator is compressed into hightemperature and pressure steam.

• True
• False

Generally there are two kinds for VAV ventilation, one is through the adjustable air valve, the other is a dedicated ventilation floor plus adjustable fan composition.

• True
• False

Which of the following start then the alarm emits a strong sound and light alarm signal to remind the scene of the purpose of attention?

• temperature detector
• VESDA
• Smoke detector
• sound and light alarm