H12-411_V2.0 Exam Questions - Real & Updated Questions PDF
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NEW QUESTION 65
The use of water fire and foam fire extinguishing systems in the data center will not cause damage to communication equipment.
- A. False
- B. True
Answer: A
NEW QUESTION 66
TN-S The three-phase unbalanced current in the low-voltage power distribution system makes the protection line PS Generate voltage to ground.
- A. False
- B. True
Answer: A
NEW QUESTION 67
In the access control system interface, the functions that can be realized are ____________ .
Answer:
Explanation:
ABCD
NEW QUESTION 68
Compared with comfort air conditioners, special air conditioners for computer rooms have the following advantages ____________ .
Answer:
Explanation:
large air volume, small enthalpy difference. High sensible heat ratio, more accurate temperature and humidity control. Year-round cooling
NEW QUESTION 69
UPS The functions are ____________ .
Answer:
Explanation:
voltage stabilization, frequency stabilization, anti-voltage surge, continuous power supply to the load when there is no mains
NEW QUESTION 70
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 71
RS485 The interface only supports two-wire system, not four-wire system.
- A. False
- B. True
Answer: A
NEW QUESTION 72
The following air conditioning, which is comfort air conditioning?
- A. Commercial air conditioners
- B. room dedicated air conditioning
B Clean air conditioning - C. Medical air conditioning
Answer: C
NEW QUESTION 73
The following ____________ air supply methods mainly use process air conditioners that have a large amount of waste heat to be taken away from the lower working area.
Answer:
Explanation:
bottom delivery and top return
NEW QUESTION 74
The actual work of the circuit breaker can reach several thousand amperes, and at the same time, it requires high segmentation capability and thermal stability. ____________
Answer:
Explanation:
just Indeed
NEW QUESTION 75
The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
Answer:
Explanation:
real-time signal
NEW QUESTION 76
High sensible heat ratio is the only difference between precision air conditioners and civil air conditioners.
- A. False
- B. True
Answer: A
NEW QUESTION 77
Data centers usually use gas fire protection systems.
- A. True
- B. False
Answer: A
NEW QUESTION 78
Climbing personnel must be equipped with necessary safety belts that meet the safety requirements, and use them correctly and reasonably according to the use regulations, while being supervised.
- A. True
- B. False
Answer: A
NEW QUESTION 79
The gas fire extinguishing system consists of ____________ .
Answer:
Explanation:
extinguishing agent storage bottle group, starting device, fire fighting pipe network, sprinklers
NEW QUESTION 80
same MCB Rated ultimate short-circuit breaking capacity of circuit breaker LCU Generally less than the rated operating short-circuit breaking capacity LCS.
- A. False
- B. True
Answer: A
NEW QUESTION 81
The following are air-cooled row-level air conditioners ____________ .
Answer:
Explanation:
Netcol5000-A
NEW QUESTION 82
The three major indicators of air conditioning are ____________ .
Answer:
Explanation:
temperature, humidity, cleanliness
NEW QUESTION 83
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