Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization (H12-421-ENU) Free Practice Test
Question 1
When the UPS is parallel, it is necessary to check the input phase sequence of each UPS main bypass, but the output phase sequence is not required.
Correct Answer: A
Question 2
What does the gas fire extinguishing system startup principle include? (Multiple choice)
Correct Answer: A,B,C
Question 3
The 2.4G antenna on the ECC800 should be installed in ( ).
Correct Answer: A
Question 4
The Fusion Module2000 is an outdoor prefabricated integrated data center solution.
Correct Answer: A
Question 5
There is no limit to the total length of the direct expansion air-cooled air-conditioning refrigerant pipe.
Correct Answer: A
Question 6
When the device interface uses the Modbus-RTU protocol, what needs to be installed when accessing the ECC800?
Correct Answer: B
Question 7
Two different versions of the software UPS2000-G can be implemented in parallel.
Correct Answer: A
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
Which of the following air conditioning systems need to be equipped with a cooling tower or dry cooler?
Correct Answer: C
Question 10
The NetCol5000-C air conditioner does not support the power module plug and play maintenance.
Correct Answer: A
Question 11
You can view the camera's name, code, IP address, model, status and more in NetEco Video menu.
Correct Answer: B
Question 12
The UPS5000-E accepts input voltage frequency in a range of () Hz.
Correct Answer: A
Question 13
In the FusionModule1000, all the fire-fighting cables of the open line are worn with metal hoses, and the pipe ends are protected by a wire sleeve to prevent damage to the fire-fighting cables when a fire occurs.
Correct Answer: B
Question 14
When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?
Correct Answer: B