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H12-411_V2.0 HCIA-Data Center Facility V2.0 Questions and Answers

Questions 4

The compressor is the core of the refrigeration cycle. It is the power device for the refrigerant to circulate in the system. It reduces the low temperature from the evaporator. The compressed steam is compressed into high temperature and high pressure steam.

Options:

A.

True

B.

False

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Questions 5

Huawei Monitoring System NetEco Support through ____________, send alarm information to customers.

Options:

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Questions 6

In the dynamic environment monitoring system, the user queries the alarm information of the refrigeration equipment through the ____________ function.

Options:

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Questions 7

The administrator cannot segment the login time and login of other users through the Huawei monitoring system IP Address restrictions.

Options:

A.

True

B.

False

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Questions 8

Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.

Options:

A.

True

B.

False

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Questions 9

The following ____________ Circuit breakers are usually used ITLow-voltage circuit breaker for the load.

Options:

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Questions 10

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

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Questions 11

Gas fire-fighting system refers to a fire-extinguishing system that uses gas ____________ as the fire extinguishing medium. ____________ .

Options:

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Questions 12

MCB Circuit breakers can be divided into different tripping characteristics B, C, D, Z, K Level, for IT For load, you should use ____________ class Tripping characteristics.

Options:

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Questions 13

The following components that can improve the heat exchange capacity of the heat exchanger are ____________ .

Options:

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Questions 14

____________ is used to ensure that the fire extinguishing agent has been sprayed out in a specific jet form to promote the rapid gasification of the fire extinguishing agent and reach the fire extinguishing concentration in the protected space.

Options:

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Questions 15

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

Options:

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

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Questions 16

The principle of the evaporator is to convert the refrigerant from liquid to gas, take away the heat of the refrigerated object, and realize refrigeration.

Options:

A.

True

B.

False

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Questions 17

Huawei Monitoring System NetEco Supports the concept of user groups, and implements role-based user group management. A user group is a group of user-level collections with the same operation permissions, and different user groups have different permissions.

Options:

A.

True

B.

False

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Questions 18

The general method of connecting lead-acid batteries is to string first and then parallel.

Options:

A.

True

B.

False

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Questions 19

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

Options:

A.

True

B.

False

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Questions 20

Use RS485 Communication method, the maximum communication distance is ____________ Meter.

Options:

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Questions 21

The fuse can protect personal safety when the equipment leaks.

Options:

A.

True

B.

False

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Questions 22

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.

Options:

A.

Automatic transfer switch system

B.

Diesel generator system

C.

Low-voltage power distribution system

D.

Rack power distribution system

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Questions 23

Use POE When interface, it has two functions of communication and power supply.

Options:

A.

True

B.

False

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Questions 24

Which of the following statements about the battery is wrong:

Options:

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.

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Questions 25

Exist UPS in the system, the most comprehensive description of the role of the inverter circuit is ____________ .

Options:

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Questions 26

The following ____________ is correct 1A fixed valve-regulated sealed lead-acid battery 2VMonomer, the rated capacity is 800Ah.

Options:

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Questions 27

The following four major components that are not air conditioners are ____________ .

Options:

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Questions 28

According to different classifications of electrolytes, batteries can be divided into ____________ and ____________ .

Options:

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Questions 29

In the dynamic environment monitoring system, viewing the detailed alarm information can help locate the source of the alarm.

Options:

A.

True

B.

False

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Questions 30

The fastest transmission rate of the following communication interfaces is ____________ .

Options:

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Exam Code: H12-411_V2.0
Exam Name: HCIA-Data Center Facility V2.0
Last Update: May 13, 2022
Questions: 204

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