Updated Dec 05, 2021 Verified H12-411 dumps Q&As - 100% Pass
New 2021 Latest Questions H12-411 Dumps - Use Updated Huawei Exam
NEW QUESTION 109
When AC power equipment are introduced in by using three-phase four-wire system, in addition to the zero line on the near side of the power transformer grounding, electrical equipment and the engine room should be near the ground repeatedly.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 110
Huawei row-level precision air conditioner humidifier is the infrared humidifier.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 111
() is a fire detector that detects smoke particles.
- A. temperature detector
B VESDA - B. sound and light alarm
- C. Smoke detector
Answer: B
NEW QUESTION 112
UPS can clean electricity input, output stable exchange, to protect the load
- A. False
- B. True
Answer: B
NEW QUESTION 113
ACB circuit breakers are mainly used for IT load front-end; such as UPS output cabinet.
- A. False
- B. True
Answer: A
NEW QUESTION 114
Fuses can protect the personal safety in case of the equipment earth leakage.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 115
Huawei NetEco monitoring system supports hierarchical network management functions.
- A. False
- B. True
Answer: B
NEW QUESTION 116
When the sunroof actuator senses a smoke alarmr it can not control the flip sunroof to open automatically.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 117
In the UPS system, the most comprehensive description of the role of the inverter circuit is?
- A. Convert AC to DC
- B. Convert the rectified DC voltage or battery voltage into AC voltage
- C. The battery voltage is converted to AC voltage
- D. Convert the rectified DC voltage into AC voltage
Answer: B
NEW QUESTION 118
There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. What does the first letters represent?
- A. Indicates the relationship of the power system to the exposed conductive parts of the power receiving system
- B. Indicates power receiving system exposed conductive parts and the relationship between the ground
- C. Indicates the relationship between neutral N and protective earth PE
- D. Indicates the power system on the ground
Answer: D
NEW QUESTION 119
When mains input range of voltage: 150-260VAC, frequency: 45-60HZ, which of the following UPS working range can work in the main inverter state?
- A. Input range: 180 - 240V, 40 - 70HZ
- B. Input range: 110 - 280V, 40 - 70HZ
- C. Input range: 160 - 280V, 45 - 65HZ
- D. Input range: 180 - 240V, 45 - 55HZ
Answer: B
NEW QUESTION 120
UPS common system configuration are N system, N + X system and 2N system.
- A. False
- B. True
Answer: B
NEW QUESTION 121
Gas fire extinguishing system are composed of () and other subsystems. (Multiple choice)
- A. Extinguishing agent storage bottle group
- B. Start the device
- C. Fire Network
- D. Nozzle
Answer: A,B,C,D
NEW QUESTION 122
() support according to the report template to create a report task.
- A. Asset Management
- B. Configuration Management
- C. Report Management
- D. Stock Management
Answer: C
NEW QUESTION 123
Which of the following is not a basic function of a low-voltage circuit breaker?
- A. Short circuit protection
- B. dual power switch
- C. Break
- D. Overcurrent protection
Answer: B
NEW QUESTION 124
Dynamic environment monitoring system, can be used to store high-definition images, provide large-scale storage media, for long-time storage of video recording equipment is ().
- A. Switch
- B. collector
- C. Network Video Recorder (NVR)
- D. sound and light alarm
Answer: C
NEW QUESTION 125
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 126
What types does Dual power switch ATS switch according to the different type of switches can be divided into? (Multiple choice)
- A. Standard switch
- B. Delay switch
- C. Closed switch
- D. Instantaneous switch
Answer: A,B,C
NEW QUESTION 127
Battery electrolyte leakage occurs, which treatment approach is more appropriate?
- A. Flush with alkaline solution and check if it needs to be replaced
- B. Wear gloves wipe clean, check if it needs to be replaced DD.Do not deal with
- C. Flush with water and check if it needs to be replaced
Answer: B
NEW QUESTION 128
UPS front-end input can be two-way mains, a master and a backup. Also could be all the way electricity, all the way to the oil machine input.
- A. False
- B. True
Answer: B
NEW QUESTION 129
ACB circuit breaker actual work can reach several thousands of amps: at the same time require high breaking capacity, thermal stability.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 130
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