2021 100% Free H12-411 Daily Practice Exam With 185 Questions
H12-411 exam torrent Huawei study guide
NEW QUESTION 29
Access control system can only set whether the user can open the door, can not be set when to open the door.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 30
Dynamic environment monitoring system only has secondary architecture.
- A. False
- B. True
Answer: A
NEW QUESTION 31
In the main inverter modeT the inverter will change from main inverter to battery inverter mode when overloaded.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 32
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
Answer: A,B,C,D
NEW QUESTION 33
Huawei NetEco monitoring system does not support remote door open.
- A. False
- B. True
Answer: A
NEW QUESTION 34
Which of the following can be used as a side outlet can also be used as a lower outlet?
- A. double louver tuyere
- B. Under the type of diffuser
C Ventilated floor - C. Spout
Answer: A
NEW QUESTION 35
Dynamic environment monitoring system can be applied to () scene. (Multiple choice)
- A. Unattended substation
- B. data center room
- C. Wireless base station
- D. Transfer node machine room
Answer: A,B,C,D
NEW QUESTION 36
Generally there are two kinds for VAV ventilation, one is through the adjustable air valve, the other is a dedicated ventilation floor plus adjustable fan composition.
- A. False
- B. True
Answer: B
NEW QUESTION 37
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 38
The function of the fire protection system is automatically capture the smoke or heat when a fire occurs in the fire detection area, thereby giving an audible and visual alarm and controlling automatic fire extinguishing.
- A. False
- B. True
Answer: B
NEW QUESTION 39
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 40
How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 41
Data center usually uses the gas fire system.
- A. False
- B. True
Answer: B
NEW QUESTION 42
The description of the data center cooling system, which of the following is incorrect?
- A. In low power density data centers, room-level cooling has cost advantages.
- B. Cabinet-level air conditioning for cooling inside the cabinet.
- C. In cabinet-level, row-level, and room-level cooling, the row-level cooling mode has the shortest airflow path
- D. Room-level cooling can improve the cooling efficiency by changing the air-out position.
Answer: C
NEW QUESTION 43
According to the concentration degree of equipment, air conditioning system can be divided into (). (Multiple choice)
- A. decentralized
- B. Semi-centralized
- C. Centralized
- D. Mixed
Answer: A,B,C
NEW QUESTION 44
The following () is the correct description of 6 fixed VRLA single battery series. The rated capacity is 150Ah.
- A. 6-GMF-150
- B. MF-150
- C. 6-GFM-150
- D. 150-GFM-6
Answer: C
NEW QUESTION 45
Leakage current protection device is based on the current exceeds the specified value for a period of time with its own heat to melt the melt so that the circuit is disconnected.
- A. False
- B. True
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
Dynamic environment monitoring system can be deployed in medium and large modular data center small modular data center, container data center.
- A. False
- B. True
Answer: B
NEW QUESTION 48
Alarms of the dynamic environment monitoring system usually have different levels.
- A. False
- B. True
Answer: B
NEW QUESTION 49
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 50
How much V is the contact voltage limit (equivalent to the safety voltage) prescribed by the International Electrotechnical Commission (IEC)? And provides 25V following do not need to consider the safety measures to prevent electric shock.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 51
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