[2023] Pass Huawei H12-411_V2.0 Exam Updated 203 Questions
Get 2023 Updated Free Huawei H12-411_V2.0 Exam Questions and Answer
NEW QUESTION # 110
When the battery is in use, sunlight can directly shine on the battery.
- A. False
- B. True
Answer: A
NEW QUESTION # 111
The leakage protector is mainly divided into electronic type and electromagnetic type according to the action mode.
- A. True
- B. False
Answer: A
NEW QUESTION # 112
Low-temperature components can improve the continuous low pressure caused by low-temperature start, so that the air conditioner can start normally.
- A. True
- B. False
Answer: A
NEW QUESTION # 113
The function of the air system is to rationally organize the flow of indoor air, so that the temperature, humidity and cleanliness of the air in the indoor working area can better meet the process requirements and the comfort requirements of the human body.
- A. True
- B. False
Answer: A
NEW QUESTION # 114
In the low-voltage power distribution system,N The role of the wire is to return the AC operating current.
- A. True
- B. False
Answer: A
NEW QUESTION # 115
Common device communication methods are RS232,RS485,FE Wait.
- A. True
- B. False
Answer: A
NEW QUESTION # 116
Huawei Monitoring System NetEco Only the infrastructure of a single data center can be managed, and the centralized and unified management of multiple geographically divided data center infrastructures is not possible.
- A. False
- B. True
Answer: A
NEW QUESTION # 117
The following are air-cooled row-level air conditioners ____________ .
Answer:
Explanation:
Netcol5000-A
NEW QUESTION # 118
High sensible heat ratio is the only difference between precision air conditioners and civil air conditioners.
- A. False
- B. True
Answer: A
NEW QUESTION # 119
____________ can be used as a side air outlet or as a lower air outlet.
Answer:
Explanation:
Double louvered air outlet
NEW QUESTION # 120
For only having Modbus The power supply and distribution equipment of the agreement can be passed
____________ Connected to the dynamic loop monitoring system.
Answer:
Explanation:
RS485
NEW QUESTION # 121
The following ____________ Yes UPS N The advantages of the system.
Answer:
Explanation:
low hardware configuration cost,ups Working under the design high load condition, the efficiency is the highest, and the reliability is higher than that of the mains
NEW QUESTION # 122
The following are interfaces:\.
- A. snmp
- B. modbus
- C. RJ12
- D. DB25
Answer: C,D
NEW QUESTION # 123
The valve-controlled sealed lead-acid battery safety valve has ____________ Function.
Answer:
Explanation:
regulate the internal and external pressure of the battery, filter the acid mist, and prevent the internal pollution of the battery
NEW QUESTION # 124
In the air conditioning system, the function of the oil and gas separator is to separate the lubricating oil from the compressor exhaust and return the separated lubricating oil to the compressor.
- A. True
- B. False
Answer: A
NEW QUESTION # 125
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.
Answer:
Explanation:
1
NEW QUESTION # 126
Dynamic ring monitoring system can be applied to ____________ .
Answer:
Explanation:
data center computer room, unattended substation, wireless base station, transmission node computer room
NEW QUESTION # 127
When the sunroof actuator senses a smoke alarm, it cannot control the turning sunroof to open automatically.
- A. False
- B. True
Answer: A
NEW QUESTION # 128
Huawei Monitoring System Neteco Can only access support SNMP Protocol equipment.
- A. False
- B. True
Answer: A
NEW QUESTION # 129
The core components of the refrigeration system mainly include ____________ .
Answer:
Explanation:
evaporator, condenser, compressor, expansion valve
NEW QUESTION # 130
The principle of the condenser is to cool the high-pressure gaseous refrigerant to release heat into a liquid state to realize the transfer and release of heat.
- A. True
- B. False
Answer: A
NEW QUESTION # 131
The refrigerant used by Huawei precision air conditioner is ____________ .
Answer:
Explanation:
R410A
NEW QUESTION # 132
The increase of cabinet power density will lead to the emergence of local hot spots in the computer room, and row-level air conditioners can solve local problems. The hot spot is too high.
- A. True
- B. False
Answer: A
NEW QUESTION # 133
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