[2021] H12-411 Exam Dumps, Test Engine Practice Test Questions
Pass H12-411 exam [Dec 07, 2021] Updated 185 Questions
NEW QUESTION 59
What kind of refrigerant does Huawei precision air conditioner use?
- A. R13
- B. R410A
- C. R22
- D. R407C
Answer: B
NEW QUESTION 60
In the dynamic environment monitoring system, the user queries the alarm information of the cooling equipment through () function.
- A. Entrance guard management
- B. Asset Management
- C. Software Management
- D. Alarm Management
Answer: D
NEW QUESTION 61
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
- A. True
- B. False
Answer: A
NEW QUESTION 62
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. True
- B. False
Answer: A
NEW QUESTION 63
() is used to ensure that the extinguishing agent is sprayed in a specific jet to promote the rapid vaporization of the extinguishing agent and to achieve the extinguishing concentration within the protected space.
- A. Fire network
- B. extinguishing agent bottle group
- C. Nozzle
- D. Start the device
Answer: C
NEW QUESTION 64
Which of the following does not belong to the protocols?
- A. RJ45
- B. PMBus
- C. SNMP
- D. Modbus
Answer: A
NEW QUESTION 65
Air energy efficiency ratio is the ratio of effective input power and cooling capacity, its value will be shown as W/W.
- A. True
- B. False
Answer: B
NEW QUESTION 66
pPUE (Partial PUE) is an extension of the data center PUE, used to evaluate and analyzing the energy efficiency of a data center's local area or equipment.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 67
Battery slot of lead-acid battery is used to hold the electrolyte; plates, partitions, and so on.
- A. True
- B. False
Answer: A
NEW QUESTION 68
Huawei NetEco monitoring system supports video real-time browsing.
- A. True
- B. False
Answer: A
NEW QUESTION 69
The closer the PUE value is to (), indicates that the better the data center energy efficiency status is.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 70
Air conditioning has three major indicators; the three major indicators refer to (). (Multiple Choice)
- A. Cleanliness
- B. Dryness
- C. Humidity
- D. Temperature
Answer: A,C,D
NEW QUESTION 71
Which of the following is not a basic function of a low-voltage circuit breaker?
- A. Break
- B. Short circuit protection
- C. dual power switch
- D. Overcurrent protection
Answer: C
NEW QUESTION 72
A UPS capacity is 200KVA with output power factor is 0.9, then how much load does It can drive up?
- A. 200kw
- B. 222kw
- C. 180kw
- D. 190kw
Answer: C
NEW QUESTION 73
The northbound interface of Huawei monitoring system NetEco can be accessed ().
- A. Refrigeration system
- B. higher level network management
- C. Fire system
- D. Lighting System
Answer: B
NEW QUESTION 74
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. Switch
- B. Network Video Recorder (NVR)
- C. collector
- D. sound and light alarm
Answer: B
NEW QUESTION 75
According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)
- A. Magnetic trip
- B. Short circuit
- C. Cold trip
- D. Thermal trip
Answer: A,D
NEW QUESTION 76
In the battery installation process, the use of high-voltage battery maintenance channel should be insulated.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 77
During the construction process, what should the nitrogen bottle operation be equipped with specially?
(Multiple choice)
- A. Goggles
- B. Check valve
- C. Nitrogen valve
- D. Antifreeze gloves
Answer: A,C,D
NEW QUESTION 78
For valve-regulated lead-acid batteries, what are the role of safety valve? (Multiple choice)
- A. Exhaust excess gas
- B. prevent air from entering
- C. Participate in chemical reactions
- D. Conductive
Answer: A,B
NEW QUESTION 79
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. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 80
When AC power equipment are introduced in by using three-phase four-wire system, in addition to the zero line on the near side of the power transformer grounding, electrical equipment and the engine room should be near the ground repeatedly.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 81
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 82
Compressor is the heart of the refrigeration cycle, is the power plant of the refrigerant in the system inner loop:
the low temperature and low pressure steam from the evaporator is compressed into high temperature and pressure steam.
- A. True
- B. False
Answer: A
NEW QUESTION 83
Huawei dynamic environment monitoring system's components have (). (Multiple choice)
- A. NetEco server
- B. Smart ETH socket
- C. ECC800
- D. Skylight actuator
Answer: A,B,C,D
NEW QUESTION 84
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