Master 2022 Latest The Questions HCIA-Data Center Facility and Pass H12-411 Real Exam!
Penetration testers simulate H12-411 exam PDF
Huawei H12-411 Exam Syllabus Topics:
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NEW QUESTION 31
The condensed water of air conditioning is air after cooler cooling, formed by the condenser.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 32
Huawei NetEco supports the concept of user groups to implement role-based user group management. User group means a group of users with the same operating rights and different user groups have different permissions.
- A. False
- B. True
Answer: B
NEW QUESTION 33
Which of the following options do not qualify as direct expansion air-cooled air conditioners?
- A. can not be installed over long distances, or large loss of refrigeration
- B. Refrigeration energy efficiency is relatively low
- C. Simple structure, easy installation, low cost
- D. Installation distance is unlimited
Answer: D
NEW QUESTION 34
When using the PoE (Power over Ethernet) interface, there are two functions of passing and supplying power.
- A. False
- B. True
Answer: B
NEW QUESTION 35
RER (Renewable Energy Ratio) is used to measure data center using Renewable Energy, so as to promote the solar Energy, wind Energy, hydropower and other Renewable, no carbon emissions or little Energy utilization of carbon emissions.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 36
The parameters that can reflect the energy efficiency state and power usage effectivenes of the data center are ().
- A. OPEX
- B. COP
- C. PUE
- D. IP
Answer: C
NEW QUESTION 37
Which of the following is not the current harm to the human body?
- A. split
- B. suffocation
- C. spasm
- D. Human ventricular fibrillation
Answer: A
NEW QUESTION 38
Which of the following components can check whether the refrigerant contains water?
- A. water gauge
- B. depending on the oil mirror
- C. device for drying and filtering
- D. Solenoid valve
Answer: A
NEW QUESTION 39
In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.
- A. False
- B. True
Answer: B
NEW QUESTION 40
There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. The second capital letter represents ().
- A. shows the relationship between neutral N and protective earth PE
- B. Indicates the relationship of the power system to the exposed conductive parts of the power receiving system
- C. Indicates the relationship of the power system on the ground
- D. Said the relationship between power receiving system exposed conductive parts and the ground
Answer: D
NEW QUESTION 41
CLF (Cooling Load Factor) is defined as the ratio of the data center cooling equipment power consumption and IT equipment power consumption.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 42
Huawei NetEco monitoring system supports video real-time browsing.
- A. False
- B. True
Answer: B
NEW QUESTION 43
Leakage protection by the action mode is mainly divided into electronic and electromagnetic.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 44
Which fire extinguishing agent is mainly used in data center fire protection system?
- A. Halon 1301
- B. Haloalkanes
- C. water
- D. Heptafluoropropane
Answer: D
NEW QUESTION 45
Which of the following is not belongs to the monitoring function provided by Huawei NetEco.
- A. software upgrade
- B. Access monitoring
- C. Real-time signal
- D. Current alarm
Answer: A
NEW QUESTION 46
The features of UPS are (). (Multiple Choice)
- A. steady voltage
- B. Steady frequency
- C. Anti-voltage surge
- D. continue to supply power to the load when there is no utility power
Answer: A,B,C,D
NEW QUESTION 47
The STS Static Transfer Switch enables switching between different input power supply and provides dual power supply for single power load.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 48
What throttle devices does Huawei air-cooled precision air conditioning use? (Multiple choice)
- A. Thermal expansion valve
- B. Electronic expansion valve
- C. Orifice
- D. Solenoid valve
Answer: A,B
NEW QUESTION 49
UPS inverter components can achieve the conversion from AC to DC.
- A. False
- B. True
Answer: A
NEW QUESTION 50
Huawei monitoring system NetEco supports to send the alarm message to users through (). (Multiple Choice)
- A. Fax
- B. Mail
- C. SMS
- D. Telephone
Answer: B,C
NEW QUESTION 51
The principle of evaporator is to convert refrigerant from liquid to gas, take away the heat of the object to be refrigerated, to achieve refrigeration.
- A. False
- B. True
Answer: B
NEW QUESTION 52
What function does Dynamic environment monitoring system can display the real-time status of the device?
- A. Asset Management
- B. Work Order Management
- C. User Management
- D. Real-time signal
Answer: D
NEW QUESTION 53
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