H12-411_V2.0 Exam Questions

Communication interface refers to the rules and agreements that two entities must follow to complete communication or service, such as RJ45 interface.

The water immersion sensor can detect liquid leakage in the computer room or module and is generally connected to the collector through a COM interface.

When the dynamic environment monitoring system adopts a two-level architecture, it is mainly used in multiple modules in the same area.

In the monitoring system, the access control management function supports administrators to create, configure and manage access control permissions.

FusionModule800 channel have a skylight?

When there is a fire in the FusionModule1000 box, the deflation indicator light will display the words "Deflation Do Not Enter" to warn on-site personnel not to enter the deflation...

Unpredictable business, difficult expansion and investment are one of the challenges facing the development of traditional data center business

On the panel of the air conditioner unit, in the group control topology diagram, the difference between this unit and other units is that there is a green border

If UPS5000-400K switches to bypass mode, the maintenance station is closed, and both the main power module and the bypass module stop working.

NETECO's report function has various display forms, including bar charts, pie charts, curve charts and other visual presentations.

On-demand deployment and avoiding over-investment are the only advantages of Mou Aihua Data Center

NETECO's access control management function cannot modify the door name

In NETCOL5000-A air conditioner, if a large number of bubbles are observed in the pipeline sight glass, it means that the refrigeration system lacks refrigerant and refrigerant sho...

The function of the backfeed protection card is that when energy backfeed occurs in the main circuit or bypass, the backfeed protection card sends a drive alarm signal, and the dri...

ECC800 supports two AC inputs

NETCOL5000-A When filling with nitrogen and maintaining pressure, the required nitrogen cylinder must be equipped with a pressure reducing valve.

No limit on the total length of refrigerant pipes for direct expansion air-cooled air conditioners

NETCOL9000-A100KW is a dual system, and the standard configuration is a single indoor unit connected to an outdoor unit.

The EPO status interface of UPS5000-E can be selected as open or normally closed interface according to actual use.

To modify the plane view of the ECC800 micromodule, you need to log in to the WEB with the pipe operator's authority to operate

NETECOL can assign operation permissions to user groups or directly to users.

NETCOL5000-A The air conditioner unit makes abnormal sound during operation. Check whether the compressor, fan, and pipeline lights are fixed normally or not.

NETCol5000-A36W air conditioner has light load initialization function

FusionModule800 3.0 Both closed channel and hot channel are optional.

When only temperature detection is supported and hot-swap configuration is not supported, the switches in the plug-in frame must be fully configured.

For an IT load of 80kW, an 80kVA UPS system can meet basic requirements.

The domestic power supply standard is 380v/50Hz

NETECO system can define alarm sounds for different alarm levels

When the pressure difference switch of the indoor unit's air filter is closed, it means that there is too much dust on the filter and it should be dealt with in time.

The dry contact signal of UPS500O-E does not support the remote emergency stop function

Common monitoring software structures include B/S and C/S architectures

UPS5000 optional temperature and humidity sensor does not support cascading

Fusion Module2000 is an outdoor prefabricated integrated data center solution

R410A refrigerant can freeze human skin and deeper muscles in a very short time the moment it is sprayed outside, and cause necrosis of the skin adjacent to the frostbite.

Huawei's data center infrastructure products can be managed uniformly through the NetEco management system to achieve remote operation and maintenance.

For the convenience of procurement and construction, all AC circuits and DC circuits are equipped with AC circuit breakers.

In UPS configuration, for a parallel N+X system, if X=N , the system has the same operating logic as the dual-bus system.

When UPS works in ECO mode, because it works in bypass mode, its efficiency is lower than that in main inverter mode.

Factors that can cause safety problems for lithium- ion batteries include overcharging, over- discharging, short circuit, extrusion, falling, etc.

A certain equipment needs a 12V, 10Ah battery as a backup power supply. The engineer connected five 2V, 10Ah batteries and one 2V, 12Ah battery in stock. Both batteries were produc...

In an air-cooled precision air conditioner, the heat absorbed by the evaporator is equal to the heat discharged by the condenser.

When an air-cooled direct expansion air conditioner is performing normal cooling operation, the condenser inlet temperature is higher than the outdoor temperature.

All devices that establish communication through the SNMP protocol have IP addresses.

Among various equipment, the energy consumed by cooling equipment has the greatest impact on the PUE of the data center. Huawei's monitoring system can effectively reduce the syste...

The gas fire extinguishing controller is a device that controls the start and stop of the gas fire extinguishing system.

The automatic fire alarm control system should be linked with the gas fire extinguishing control system and video surveillance system.

PPE is the abbreviation for Personal Protective Equipment.

Only data center precision air conditioning will be used inside the data center, and no comfort air conditioning will be used.

Valve-regulated lead-acid batteries do not require the addition of water or acid during use because of the internal oxygen recombination reaction, that is, the oxygen produced by t...

Polymer lithium -ion batteries have strong plasticity and are easy to transport, so most lithium batteries on the market are polymer lithium- ion batteries.