[Dec 25, 2021] New Real H12-411_V2.0 Exam Dumps Questions
Pass Your H12-411_V2.0 Exam Easily with Accurate HCIA-Data Center Facility V2.0 PDF Questions
NEW QUESTION 50
Through the query ____________, the user can understand the operation of the device.
Answer:
Explanation:
operation log
NEW QUESTION 51
The alarms of the dynamic environment monitoring system usually have different levels.
- A. False
- B. True
Answer: B
NEW QUESTION 52
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
- A. False
- B. True
Answer: A
NEW QUESTION 53
Huawei Monitoring System NetEco Support through ____________, send alarm information to customers.
Answer:
Explanation:
email, SMS
NEW QUESTION 54
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 55
During the construction process, work in contact with sharp instruments and use ____________ .
Answer:
Explanation:
protective gloves against mechanical damage
NEW QUESTION 56
The leakage protector is mainly divided into electronic type and electromagnetic type according to the action mode.
- A. False
- B. True
Answer: B
NEW QUESTION 57
In the main road mode, when ups The front-end voltage is at 220V±10%When fluctuating,ups The output voltage will also have Larger fluctuations.
- A. False
- B. True
Answer: A
NEW QUESTION 58
According to the storage methods of different electrolytes in batteries, it can be divided into ____________ with ____________ .
Answer:
Explanation:
GEL , AGM
NEW QUESTION 59
For unsaturated air, dry bulb temperature, wet bulb temperature, A The relationship between point temperature is ____________ .
Answer:
Explanation:
dry bulb temperature>wet bulb temperature>dew point temperature
NEW QUESTION 60
MCB Circuit breakers can be divided into different tripping characteristics B, C, D, Z, K Level, for IT For load, you should use ____________ class Tripping characteristics.
Answer:
Explanation:
C
NEW QUESTION 61
The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .
Answer:
Explanation:
thermal expansion valve, electronic expansion valve
NEW QUESTION 62
____________ can complete the conversion from DC to AC.
Answer:
Explanation:
Inverter component
NEW QUESTION 63
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. False
- B. True
Answer: B
NEW QUESTION 64
The following ____________ are used in Huawei's row-level precision air conditioners.
Answer:
Explanation:
electrode humidifiers
NEW QUESTION 65
The basic principle of infrared heaters is that infrared rays heat water to boiling, thereby generating steam.
- A. False
- B. True
Answer: A
NEW QUESTION 66
The following ____________ Yes UPS 2N. The advantages of the system.
Answer:
Explanation:
power supply redundancy, no need to switch the load to maintenance bypass mode, you can ups System maintenance, no single path failure point
NEW QUESTION 67
The components of Huawei's dynamic environment monitoring system are ____________ .
Answer:
Explanation:
NETECO server,ECC800,intelligent ETH Socket, skylight execution Device
NEW QUESTION 68
Lay anti-static floor, wear anti-static shoes and socks to prevent it from forming ____________ .
Answer:
Explanation:
static electricity is conducted from the feet to the ground
NEW QUESTION 69
The fuse can protect personal safety when the equipment leaks.
- A. False
- B. True
Answer: A
NEW QUESTION 70
Regarding the description of the data center cooling system, the following ____________ is wrong.
Answer:
Explanation:
in the cabinet-level, row-level, and room-level cooling, the airflow path of the row-level cooling method is the shortest
NEW QUESTION 71
The following are not part of the agreement ____________ .
Answer:
Explanation:
RJ45
NEW QUESTION 72
RER It is used to measure the use of renewable energy in the data center to promote the regeneration of solar, wind, and water energy, and the use of energy with no carbon emissions or very little carbon emissions.
- A. False
- B. True
Answer: B
NEW QUESTION 73
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 74
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