Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization - H12-421-ENU Exam Practice Test
Question 1
The principle of the () humidifier is that the high-intensity infrared lamp causes the water surface to release water vapor and diffuse into the air stream that needs to be humidified.
Correct Answer: C
Question 2
The wheel patrol function is enabled to interchange the running machine and the standby machine, thereby increasing the average life.
Correct Answer: A
Question 3
When the air conditioning outdoor of Huawei air-cooled air conditioner is installed horizontally, it is required to be ≥ () mm from the wall or obstacle.
Correct Answer: B
Question 4
In the naming of UPS5000-E-120K-HASBS, the letter E stands for ().
Correct Answer: A
Question 5
The rated voltage of the cell in the VRLA battery is ().
Correct Answer: A
Question 6
Which of the following technology or scheme can effectively reduce the PUE? (Multiple choice)
Correct Answer: B,C,D
Question 7
The functions that the ECC800 can implement are (). (Multiple choice)
Correct Answer: A,B,C,D
Question 8
NetCol5000-A air conditioner compressor exhaust temperature is too high, what are the reasons? (Multiple Choice)
Correct Answer: A,B,C,D
Question 9
The cycle life of the battery is direct proportional to the depth of discharge.
Correct Answer: B
Question 10
The device accesses the ECC800 monitoring system through a smart ETH socket, using the () interface of the intelligent FTH socket.
Correct Answer: B
Question 11
The alarms of all devices can be displayed on the NetEco, but the corresponding alarm automatic formation work orders cannot be sent to the processor.
Correct Answer: B
Question 12
What can convert a PoE signal into a WiFi signal?
Correct Answer: B
Question 13
You can view the camera's name, code, IP address, model, status, and more in NetEco's Video menu.
Correct Answer: A
Question 14
The access executor does not support access to the ECC800 in a wireless network.
Correct Answer: B
Question 15
According to different layouts, the Fusion Module 2000 can realize battery entry or not.
Correct Answer: A
