H12-411試験無料問題集（185題）「Huawei HCIA-Data Center Facility V1.0 認定」

出題：1

How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?

A. 2

B. 1

C. 4

D. 3

正解：A 解答を投票する

出題：2

When the load is 60KW, the capacity of each UPs is 100KVA, the power factor is 0.95, when the system must be redundancy configuration, how many UPS does it need at least?

A. 2

B. 4

C. 5

D. 3

正解：A 解答を投票する

出題：3

Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)

A. Coil air heater

B. Evaporator

C. Electrode humidifier

D. Cooling coil

正解：A,B,D 解答を投票する

出題：4

Which of the following Humidifier is used in Huawei row-level precision air conditioning?

A. electrode humidifier

B. High pressure spray humidifier

C. Ultrasonic humidifier

D. Infrared humidifier

正解：A 解答を投票する

出題：5

In the access control system interface, the fuctions can be achieved are (). (Multiple Choice)

A. Users added

B. Authority allocation

C. Show the switch status of the door

D. View access records

正解：A,B,C,D 解答を投票する

出題：6

Which of the following options do not qualify as direct expansion air-cooled air conditioners?

A. Installation distance is unlimited

B. can not be installed over long distances, or large loss of refrigeration

C. Simple structure, easy installation, low cost

D. Refrigeration energy efficiency is relatively low

正解：A 解答を投票する

出題：7

Huawei monitoring system NetEco supports to send the alarm message to users through (). (Multiple Choice)

A. SMS

B. Fax

C. Mail

D. Telephone

正解：A,C 解答を投票する

出題：8

There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. What does the first letters represent?

A. Indicates the power system on the ground

B. Indicates the relationship between neutral N and protective earth PE

C. Indicates the relationship of the power system to the exposed conductive parts of the power receiving system

D. Indicates power receiving system exposed conductive parts and the relationship between the ground

正解：A 解答を投票する

出題：9

Whare are UPS common working modes? (Multiple choice)

A. Static bypass mode

B. Battery mode

C. Offline mode

D. The main road inverter mode

正解：A,B,D 解答を投票する

出題：10

The following () air supply methods are mainly applicable to the craft air conditioners in lower work area where there is a large amount of waste heat to be taken away.

A. bottom supply and upper return

B. middle air-supply

C. upper supply and bottom return

D. bottom supply and bottom return

正解：A 解答を投票する

H12-411試験無料問題集「Huawei HCIA-Data Center Facility V1.0 認定」