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

Demo: 30 questions
Total 204 questions

HCIA-Data Center Facility V2.0 Questions and Answers

Question 1

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

Options:

Question 2

The function of the air system is to rationally organize the flow of indoor air, so that the temperature, humidity and cleanliness of the air in the indoor working area can better meet the process requirements and the comfort requirements of the human body.

Options:

A.

True

B.

False

Question 3

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

Options:

A.

True

B.

False

Question 4

The function of the following () parts is to help with oil return.

Options:

A.

liquid lens

B.

oil sight glass

C.

Oil trap

D.

reverse bend

Question 5

In the main road mode, when ups The front-end voltage is at 220V±10%When fluctuating,ups The output voltage will also have Larger fluctuations.

Options:

A.

True

B.

False

Question 6

Huawei Monitoring System NETECO Supported functions are ____________ .

Options:

Question 7

The increase of cabinet power density will lead to the emergence of local hot spots in the computer room, and row-level air conditioners can solve local problems. The hot spot is too high.

Options:

A.

True

B.

False

Question 8

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

Options:

A.

True

B.

False

Question 9

In the dynamic ring monitoring system, it can be used to store high-definition images and provide large-scale storage media. The equipment used for long-term storage of video recording is ____________ .

Options:

Question 10

During the implementation process, corrosive operations should be used ____________ .

Options:

Question 11

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

Options:

Question 12

During the construction process, if there is an object falling or hitting, it should be used ____________ .

Options:

Question 13

TN-S The three-phase unbalanced current in the low-voltage power distribution system makes the protection line PS Generate voltage to ground.

Options:

A.

True

B.

False

Question 14

ACB The actual work of the circuit breaker can reach several thousand amperes, and at the same time, it requires high segmentation capability and thermal stability. ____________

Options:

Question 15

The dynamic environment monitoring system only has a secondary structure.

Options:

A.

True

B.

False

Question 16

The role of the safety valve in the battery structure prevents excessive internal pressure from being excessive ____________ exclude.

Options:

Question 17

The condensate of the air conditioner is formed by condensation after the air warning surface cooler cools down.

Options:

A.

True

B.

False

Question 18

There are generally two types of variable air volume ventilated floors, one is through an adjustable air valve, and the other is a dedicated ventilated floor plus adjustable fans.

Options:

A.

True

B.

False

Question 19

Regarding the description of the data center cooling system, the following ____________ is wrong.

Options:

Question 20

In the access control system interface, the functions that can be realized are ____________ .

Options:

Question 21

The parameters that can reflect the energy efficiency and energy use efficiency of the data center are ____________ .

Options:

Question 22

Climbing personnel must be equipped with necessary safety belts that meet the safety requirements, and use them correctly and reasonably according to the use regulations, while being supervised.

Options:

A.

True

B.

False

Question 23

The core components of the refrigeration system mainly include ____________ .

Options:

Question 24

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

Options:

Question 25

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

Question 26

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

Options:

A.

True

B.

False

Question 27

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.

Options:

A.

True

B.

False

Question 28

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

Options:

A.

True

B.

False

Question 29

For only having Modbus The power supply and distribution equipment of the agreement can be passed ____________ Connected to the dynamic loop monitoring system.

Options:

Question 30

In the air conditioning system, the function of the oil and gas separator is to separate the lubricating oil from the compressor exhaust and return the separated lubricating oil to the compressor.

Options:

A.

True

B.

False

Demo: 30 questions
Total 204 questions