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Huawei H12-411_V2.0 - HCIA-Data Center Facility V2.0

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Total 204 questions

The following () options belong to water-cooled chilled water air conditioners. (Multiple choice)

A.

No need to install a cooling tower

B.

Only for small data centers

C.

need to install a cooling tower

D.

Suitable for medium and large data centers

The following are air-cooled row-level air conditioners ____________ .

12V The battery is made of 6 indivual 2V It is composed of battery cells.

A.

True

B.

False

The dynamic environment monitoring system supports the alarm management function.

A.

True

B.

False

UPS The functions are ____________ .

The principle of the condenser is to cool the high-pressure gaseous refrigerant to release heat into a liquid state to realize the transfer and release of heat.

A.

True

B.

False

When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range ____________ It can work normally in the inverter state of the main circuit.

The core components of the refrigeration system mainly include ____________ .

For valve-regulated lead-acid batteries, the function of the safety valve is ____________ .

The following parts can check whether the refrigerant contains moisture ____________ .