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Huawei H12-421 Exam Syllabus Topics:

Huawei HCIP-Data Center Facility Deployment V1.0 Sample Questions:

Question 1

If the customer load cannot be de-energized, pay attention to ( ) when disconnecting the maintenance bypass switch after the repair is completed.

A. The road module has no abnormal alarm and can be powered.
B. EPO status can be broken maintenance switch
C. The maintenance bypass switch can also be disconnected when the bypass module is abnormal.
D. Battery input is normal

Question 2

The technical essentials for the pumping action of the pipeline are: the degree of vacuum is not greater than ( ) Pa (absolute pressure).

A. 80
B. 70
C. 90
D. 60

Question 3

When connecting the refrigerant pipe, to prevent the pipe from being oxidized, it is necessary to introduce a small amount of nitrogen gas during welding.

A. False
B. True

Question 4

When the ECC800 detects that the connection signal to the device is interrupted, a communication interruption alarm is generated. What are the possible reasons? (Multiple choice)

A. Cable connection is loose
B. Equipment failure
C. Poor cable contact
D. Power supply is not normal

Question 5

The power indicator of the gas fire extinguishing controller is on and the alarm indicator is off indicating that the gas fire extinguishing controller is working properly.

A. False
B. True

Solutions: