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Free Huawei H12-411 Practice Questions & Answers 2026 Part1 | 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
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 #2
What throttle devices does Huawei air-cooled precision air conditioning use? (Multiple choice)
A. Solenoid valve
B. Thermal expansion valve
C. Electronic expansion valve
D. Orifice
View answer
Correct Answer: BC
Question #3
Which of the following belongs to air-cooled line air conditioning?
A. etCol5000-A
B. etCol8000-C
C. etCol5000-C
D. etCol8000-A
View answer
Correct Answer: A
Question #4
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 #5
Data centers usually use gas fire protection systems.
A. ATrue
B. BFalse
View answer
Correct Answer: A
Question #6
The humidifier used in Huawei's row-level precision air conditioner is an infrared humidifier.
A. rue
B. alse
View answer
Correct Answer: B
Question #7
Users can in which interface upgrade the device version?
A. sset Management
B. tock Management
C. eport Management
D. oftware Management
View answer
Correct Answer: D
Question #8
When mains input range of voltage: 150-260VAC, frequency: 45-60HZ, which of the following UPS working range can work in the main inverter state?
A. nput range: 180 ~ 240V, 45 ~ 55HZ
B. nput range: 110 ~ 280V, 40 ~ 70HZ
C. nput range: 160 ~ 280V, 45 ~ 65HZ
D. nput range: 180 ~ 240V, 40 ~ 70HZ
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
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
View answer
Correct Answer: B
Question #11
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
View answer
Correct Answer: ABCD
Question #12
Which of the following funcation is supported by Huawei NetEco monitoring system? (Multiple choice)
A. Configuration Management
B. Alarm Management
C. Access Management
D. Battery monitoring
View answer
Correct Answer: ABCD
Question #13
The following (_______________) circuit breakers are typically low voltage circuit breakers for IT loads.
A. ACB
B. MCCB
C. MCB
D. RCB
View answer
Correct Answer: C
Question #14
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 #15
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 #16
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
View answer
Correct Answer: ABCD
Question #17
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
View answer
Correct Answer: B
Question #18
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
View answer
Correct Answer: ABCD
Question #19
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 #20
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 #21
Huawei Monitoring System Neteco Can only access support SNMP Protocol equipment.
A. True
B. False
View answer
Correct Answer: B
Question #22
The closer the PUE value is to (), indicates that the better the data center energy efficiency status is.
A.
B.
C.
D.
View answer
Correct Answer: C
Question #23
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
View answer
Correct Answer: ABCD
Question #24
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #25
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
A. rue
B. alse
View answer
Correct Answer: A
Question #26
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 #27
On-demand deployment and avoiding over-investment are the only advantages of Mou Aihua Data Center
A. rue
B. alse
View answer
Correct Answer: B
Question #28
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 #29
ATS Dual Power Automatic Transfer Switch can achieve the switching of two - way power's fast loading machine.
A. True
B. False
View answer
Correct Answer: A
Question #30
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 #31
The STS Static Transfer Switch enables switching between different input power supply and provides dual power supply for single power load.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #32
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 #33
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #34
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 #35
The air-conditioning energy efficiency ratio is the ratio of the effective input power to the cooling capacity, and its value is W/W Express.
A. True
B. False
View answer
Correct Answer: B
Question #36
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
View answer
Correct Answer: A
Question #37
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 #38
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 #39
Which of the following are functions of a transformer? (Choose all that apply.)
A. requency conversion
B. urrent conversion
C. oltage conversion
D. solation
View answer
Correct Answer: BCD

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