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

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Total 204 questions

The following are interfaces:\.

A.

DB25

B.

RJ12

C.

modbus

D.

snmp

The function of the following ____________ components is to help return oil.

____________ Not part of Huawei's monitoring system NETECO Provide monitoring functions.

ATS The dual power supply automatic switch can realize the fast mechanical switching of the two power supplies.

A.

True

B.

False

UPS The front-end input can be two mains, one main and one standby, or one mains and one diesel engine input.

A.

True

B.

False

The dynamic environment monitoring system can be deployed in medium and large modular data centers, small modular data centers, container data centers, etc.

A.

True

B.

False

At present, storage batteries are mainly installed in racks and cabinets in data centers.

A.

True

B.

False

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.

Leakage current protector is based on the current exceeds the specified value for a period of time, the melt is melted by its own heat, thereby breaking the circuit.

A.

True

B.

False

The fuse can protect personal safety when the equipment leaks.

A.

True

B.

False