H12-411_V2.0 Questions and Answers

____________ After starting, the alarm will send out a strong sound and light alarm signal, which has reached the purpose of reminding the on-site personnel to pay attention.

The following ____________ Yes UPS 2N. The advantages of the system.

The use of water fire and foam fire extinguishing systems in the data center will not cause damage to communication equipment.

Huawei Monitoring System Neteco Can only access support SNMP Protocol equipment.

The core components of the refrigeration system mainly include ____________ .

Data center energy consumption mainly comes from environmental equipment, lighting systems, refrigeration systems, power distribution systems, etc. How to reduce the energy consumed by ____________ is the key to solving data center energy conservation in the industry.

The data center computer room monitoring system mainly monitors power systems, environmental systems, and fire fighting systems.

The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .

STS The static transfer switch can switch between different input power sources and provide dual power supply for single power loads.

The function of Huawei's chilled water air conditioner plug-in frame power supply is to provide a stable power supply for the fans.

During the construction process, work in contact with sharp instruments and use ____________ .

R410A The moment the refrigerant is sprayed to the outside, it can freeze human skin and deep muscles in a very short time, and cause skin necrosis at the frostbite site.

In the battery structure, the ____________ component functions to remove excess gas.

During the battery installation process, the maintenance channel of the high-voltage battery pack used should be insulated.

The fuse can protect personal safety when the equipment leaks.

UPS Also known as AC uninterrupted power supply system, for online upsWhen the AC input is normal, the ____________ will supply power to the system.

Reflects the dryness of the air, the smaller the value, the drier the air.

Huawei Monitoring System NetEco Only the infrastructure of a single data center can be managed, and the centralized and unified management of multiple geographically divided data center infrastructures is not possible.

Parameter representation upsPollution to the power grid.

When the load is 60KW, Each ups The capacity is 100KVA, Power Factor 0.95, Then when the system must be redundantly configured, at least ____________ tower ups.

In the data center power supply and distribution system, if a power outage occurs, it is generally caused by Complete the standby switch between mains and mains or mains and diesel generators.

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

The following ____________ options do not belong to the characteristics of direct air-cooled air-conditioning.

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

RER It is used to measure the use of renewable energy in the data center to promote the regeneration of solar, wind, and water energy, and the use of energy with no carbon emissions or very little carbon emissions.