Try 100% Updated H12-411_V2.0 Exam Questions [2022]
Pass H12-411_V2.0 Exam - Real Questions & Answers
NEW QUESTION 27
The administrator cannot segment the login time and login of other users through the Huawei monitoring system IP Address restrictions.
- A. False
- B. True
Answer: A
NEW QUESTION 28
In the main inverter mode, when the mains input voltage and frequency exceed ups When the allowable range isups Will be inverted from the main circuit. The mode shifts to static bypass mode.
- A. False
- B. True
Answer: A
NEW QUESTION 29
The dynamic environment monitoring system supports the alarm management function.
- A. False
- B. True
Answer: B
NEW QUESTION 30
In the access control system interface, the functions that can be realized are ____________ .
Answer:
Explanation:
ABCD
NEW QUESTION 31
The condensate of the air conditioner is formed by condensation after the air warning surface cooler cools down.
- A. False
- B. True
Answer: B
NEW QUESTION 32
UPS It can purify the mains input, output stable AC, and protect the load.
- A. False
- B. True
Answer: B
NEW QUESTION 33
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. False
- B. True
Answer: B
NEW QUESTION 34
MCB The main functions of the circuit breaker include circuit breaker protection and overload protection.
- A. False
- B. True
Answer: B
NEW QUESTION 35
At the end of the discharge of lead-acid batteries, the voltage drops, and the positive and negative active materials are converted into ____________ .
Answer:
Explanation:
PbSO4
NEW QUESTION 36
The function of the following () parts is to help with oil return.
- A. Oil trap
- B. reverse bend
- C. liquid lens
- D. oil sight glass
Answer: A
NEW QUESTION 37
The principle of the evaporator is to convert the refrigerant from liquid to gas, take away the heat of the refrigerated object, and realize refrigeration.
- A. False
- B. True
Answer: B
NEW QUESTION 38
ATS The dual power supply automatic switch can realize the fast mechanical switching of the two power supplies.
- A. False
- B. True
Answer: B
NEW QUESTION 39
Under the same load conditions,ups The backup time is mainly determined by the battery capacity and the number of battery cells. The larger the battery capacity, the longer the backup time.
- A. False
- B. True
Answer: B
NEW QUESTION 40
In the data center power supply and distribution system, the low-voltage circuit breaker with three-stage protection feature is used for.
- A. Prevent the main circuit from being overloaded due to the short circuit of the branch circuit
- B. Prevent the main circuit from breaking due to branch circuit breaking
- C. Prevent branch circuit short circuit caused by branch circuit overload
- D. Prevent the main circuit from breaking due to a short circuit in the branch circuit
Answer: A,D
NEW QUESTION 41
The fastest transmission rate of the following communication interfaces is ____________ .
Answer:
Explanation:
FE
NEW QUESTION 42
UPS Common system configurations are N system,N+X system,2N system.
- A. False
- B. True
Answer: B
NEW QUESTION 43
The fire fighting system of the computer room is mainly composed of ____________ system.
Answer:
Explanation:
automatic fire alarm, gas fire extinguishing, smoke prevention, and safe evacuation
NEW QUESTION 44
The following four major components that are not air conditioners are ____________ .
Answer:
Explanation:
fans
NEW QUESTION 45
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