Updated PDF (New 2021) Actual Huawei H12-421-ENU Exam Questions
Verified H12-421-ENU Exam Dumps PDF [2021] Access using NewPassLeader
NEW QUESTION 138
ECC800 does not support alarm SMS notification, and remote maintenance cannot be implemented.
- A. True
- B. False
Answer: B
NEW QUESTION 139
Domains can be created in NetEco, such as campuses, buildings, machine rooms, containers, etc.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 140
If the ECC800 is configured with a SIM card, the SIM card should be installed in ().
- A. ECC800 power module slot
- B. USB interface
- C. Below the ECC800 antenna port
- D. ECC800 main control module left slot
Answer: D
NEW QUESTION 141
The video can be viewed on NetEco only after the video camera is configured on the IVS.
- A. True
- B. False
Answer: A
NEW QUESTION 142
When you create a camera in NetEco, you need to get () in addition to the IP address of the camera.
- A. Camera installation location
- B. Camera brightness
- C. Camera pixels
- D. Camera coding
Answer: D
NEW QUESTION 143
The following () parts can control the room lighting and control the Pad charging.
- A. Smart ETH socket
- B. Actuator
- C. Access control actuator
- D. Cabinet collector
Answer: B
NEW QUESTION 144
What can convert a PoE signal into a WiFi signal?
- A. VCN
- B. Skylight actuator
- C. WFi converter
- D. AC actuator
Answer: C
NEW QUESTION 145
When installing the UPS battery, the installation tool does not need to be insulated because the load is not charged.
- A. True
- B. False
Answer: B
NEW QUESTION 146
In the stable operation of the NeCol5000-A35kW air conditioner compressor, the oil level observed by the oil sight is regarded as qualified at the ( ) position.
- A. 1/3~1
- B. 1/4~1/2
- C. >1
- D. 0~14
Answer: A
NEW QUESTION 147
When installing the Huawei air-cooled air conditioner, the refrigerant pipeline positive pressure is required to be () hours.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 148
The refrigerant air cylinder of the Huawei air-cooled air conditioner does not need to be inverted on the electronic scale when charging the refrigerant.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 149
The main reason for the energy-saving effect of the closed cold/hot passage is (). (Multiple choice)
- A. Reduce the humidification power consumption by increasing the supply air temperature and reducing the power consumption of humidification.
- B. It can increase the air supply temperature of the air conditioner, thus reducing the energy consumption of the air conditioner.
- C. Isolating hot and cold air, avoiding the confusion of hot and cold air and improving the utilization of cold air.
- D. The closed heat channel can increase the return air temperature and improve the cooling efficiency.
Answer: A,B,C,D
NEW QUESTION 150
Deploying on demand and avoiding over-investment is the only advantage of a modular data center.
- A. True
- B. False
Answer: B
NEW QUESTION 151
The height of the ECC800 collector is () U.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 152
The NetCol5000-C has two installation scenarios with a chilled water distribution unit and no chilled water distribution unit.
- A. True
- B. False
Answer: A
NEW QUESTION 153
Which of the following is not part of the NetCol 5000-C30kW precision air conditioner.
- A. DC fan high efficiency power supply module
- B. EC fan
- C. DC inverter compressor
- D. PID flow regulating valve
Answer: C
NEW QUESTION 154
When the UPS2000-G shuts down the stand-alone system, which one of the following needs to be operated?
- A. "Shutdown operation" for all UPS in the system
- B. Continuously perform 2 "shutdown operations" on the machine
- C. Disconnect the input directly from the machine
- D. Just perform a "shutdown operation" on the machine.
Answer: B
NEW QUESTION 155
In the "Video" function of NetEco, you can perform operations such as (). (Multiple Choice)
- A. Video live browsing
- B. Create a camera
- C. Modify the camera
- D. Delete the camera
Answer: A,B,C,D
NEW QUESTION 156
ECC800 default management authority user name is admin, admin has all the rights to operate the web interface function.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 157
The cycle life of the battery is direct proportional to the depth of discharge.
- A. True
- B. False
Answer: B
NEW QUESTION 158
The report functions of NetEco has a variety of presentation forms, including visualization of bar charts, pie charts, graphs, etc.
- A. True
- B. False
Answer: A
NEW QUESTION 159
If the status of the access which collected by the network management is always open, it can be checked by (). (Multiple choice)
- A. Check if the suction plate angle and tightness on the door are suitable
- B. Check if the door of access monitoring is closed
- C. Check if the access control actuator and the door magnetic lock wiring are normal.
- D. Check AC actuator wiring
Answer: A,B,C
NEW QUESTION 160
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