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Free Huawei H12-411 Practice Questions & Answers 2026 Part4 | HCIA-Data Center Facility

Are you preparing for the Huawei H12-411 certification exam? SPOTO offers the Huawei H12-411 Premium File; all questions are aligned with the latest exam content and come with expert-provided answers. Our question banks cover the latest question types, core concepts, and detailed explanations, helping you familiarize yourself with the exam format and difficulty level. Whether you are reviewing core concepts or simulating a real exam environment, these resources will rapidly boost your confidence and readiness.
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Question #1
What kind of refrigerant does Huawei precision air conditioner use?
A. 13
B. 407C
C. 410A
D. 22
View answer
Correct Answer: C
Question #2
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
View answer
Correct Answer: B
Question #3
MCB circuit breaker C-level trip setting value between (_______________), used in IT load situations.
A. 2-3ln
B. 3-5In
C. 5-10ln
D. 8-15ln
View answer
Correct Answer: B
Question #4
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
View answer
Correct Answer: B
Question #5
What is used to indicate the severity of the corresponding fault in dynamic environment monitoring system?
A. Alarm time
B. Alarm name
C. Alarm level
D. Alarm source
View answer
Correct Answer: C
Question #6
Data centers usually use gas fire protection systems.
A. rue
B. alse
View answer
Correct Answer: A
Question #7
Under what circumstances UPS will work in static bypass mode?
A. No electricity input
B. Mains voltage fluctuations too much
C. Inverter fault
D. The battery is damaged
View answer
Correct Answer: C
Question #8
The dynamic environment monitoring system only has a secondary structure.
A. True
B. False
View answer
Correct Answer: B
Question #9
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
View answer
Correct Answer: B
Question #10
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #11
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
View answer
Correct Answer: B
Question #12
Huawei row-level precision air conditioner humidifier is the infrared humidifier.
A. ALSE
B. RUE
View answer
Correct Answer: A
Question #13
MCB circuit breaker C-level trip setting value between (_______________), used in IT load situations.
A. 2-3ln
B. 3-5In
C. 5-10ln
D. 8-15ln
View answer
Correct Answer: B
Question #14
The type of compressor used by Huawei air-cooled precision air conditioner is ( ).
A. croll
B. entrifugal
C. crew type
D. eciprocating
View answer
Correct Answer: A
Question #15
R410a refrigerant in the moment of spray out, can frostbite human skin and deeper muscles in a very short period of time and cause frostbited dermal necrosis.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #16
Cryogenic components improve the continuous low pressure caused by low temperature start-up, thus allowing the air conditioner to start up normally.
A. ALSE
B. RUE
View answer
Correct Answer: B
Question #17
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
View answer
Correct Answer: B
Question #18
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
View answer
Correct Answer: B
Question #19
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
View answer
Correct Answer: B
Question #20
Which of the following Humidifier is used in Huawei row-level precision air conditioning?
A. nfrared humidifier
B. igh pressure spray humidifier
C. lectrode humidifier
D. ltrasonic humidifier
View answer
Correct Answer: C
Question #21
Dynamic environment monitoring system, can be used to store high-definition images, provide large-scale storage media, for long-time storage of video recording equipment is (_______________).
A. collector
B. Switch
C. sound and light alarm
D. Network Video Recorder (NVR)
View answer
Correct Answer: D
Question #22
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
View answer
Correct Answer: B
Question #23
Which of the following belongs to air - cooled line air conditioning?
A. NetCol5000 - C
B. NetCol5000 - A
C. NetCol8000 - C
D. NetCol8000 - A
View answer
Correct Answer: B
Question #24
The alarms of the dynamic environment monitoring system usually have different levels.
A. True
B. False
View answer
Correct Answer: A
Question #25
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #26
Data centers usually use gas fire protection systems.
A. True
B. False
View answer
Correct Answer: A
Question #27
The humidifier that Huawei row-level precision air conditioner uses is the infrared humidifier.
A. True
B. False
View answer
Correct Answer: B
Question #28
When the sunroof actuator senses a smoke alarm, it can not control the flip sunroof to open automatically.
A. ALSE
B. RUE
View answer
Correct Answer: A
Question #29
ACB circuit breakers are mainly used for IT load front-end; such as UPS output cabinet.
A. rue
B. alse
View answer
Correct Answer: B
Question #30
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #31
MCB circuit breaker C-level trip setting value between (_______________), used in IT load situations.
A. 2-3ln
B. 3-5In
C. 5-10ln
D. 8-15ln
View answer
Correct Answer: B
Question #32
When configuring UPS cables, it is necessary to consider the UPS rated current and the voltage drop on the line for selection.
A. rue
B. alse
View answer
Correct Answer: A
Question #33
In the access control system interface, the fuctions can be achieved are (). (Multiple Choice)
A. Show the switch status of the door
B. Users added
C. Authority allocation
D. View access records
View answer
Correct Answer: ABCD
Question #34
(_______________) is a fire detector that detects smoke particles.
A. temperature detectorB VESDA
B. Smoke detector
C. sound and light alarm
View answer
Correct Answer: C
Question #35
In the main inverter modeT the inverter will change from main inverter to battery inverter mode when overloaded.
A. TRUE
B. FALSE
View answer
Correct Answer: B
Question #36
CLF (Cooling Load Factor) is defined as the ratio of the data center cooling equipment power consumption and IT equipment power consumption.
A. ALSE
B. RUE
View answer
Correct Answer: B
Question #37
ATS The dual power supply automatic switch can realize the fast mechanical switching of the two power supplies.
A. True
B. False
View answer
Correct Answer: A
Question #38
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
View answer
Correct Answer: B
Question #39
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
View answer
Correct Answer: ABCD
Question #40
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
View answer
Correct Answer: ABCD
Question #41
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
View answer
Correct Answer: B
Question #42
Valve-regulated lead-acid batteries in English abbreviation is VRLA.
A. rue
B. alse
View answer
Correct Answer: A

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