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Huawei H12-421-ENU Exam Syllabus Topics:

Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:

Question 1

Huawei NetCol5000-A line-level precision air conditioner mainly solves the hot issue of high-density data center.

A. FALSE
B. TRUE

Question 2

When the integrated UPS is wired, if the input phase sequence is wrong, the machine will not work.

A. True
B. False

Question 3

If the customer load cannot be power-off, what should be taken care when closing the maintenance bypass switch? (Multiple choice)

A. Turn off the inverter, let the UPS be in bypass power supply mode and then close the maintenance bypass switch.
B. First perform EPO then close maintenance switch
C. Close the maintenance switch first and then execute the EPO.
D. The maintenance bypass switch can also be closed in the inverter power supply mode.

Question 4

Before the battery is installed, a single battery open circuit voltage is required: 12V battery is greater than or equal to 12.60V or 2V battery is greater than or equal to 2.10V. When it is found to be unqualified, the battery needs to be recharged.

A. True
B. False

Question 5

When the UPS5000-E is installed in parallel, it is not necessary to connect the UPS parallel lines of the parallel system into a loop.

A. True
B. False

Solutions: