Huawei H12-421-ENU pass test : Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization

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Huawei H12-421-ENU Exam Syllabus Topics:

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

1. ECC800 default management authority user name is admin, admin has all the rights to operate the web interface function.

A) FALSE
B) TRUE

2. In the NetCol5000-A air conditioner, if a large number of air bubbles are observed in the liquid crystal mirror, it indicates that the refrigerant system lacks refrigerant, and the refrigerant should be charged as needed.

A) False
B) True

3. When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?

A) Outdoor unit fan speed is too low
B) Excessive refrigerant charge
C) Outdoor fan cannot start
D) Too little refrigerant charge

4. When the unit is working, the load of the UPS2000-G is connected to the PL, what condition will cause the load to be de-energized? (Multiple choice)

A) Battery low voltage
B) Mains low voltage
C) Overload
D) Mains input interruption

5. When the NetCol5000-A indoor unit and the outdoor unit are not installed separately, the refrigerant line is ().

A) Oxygen
B) Nitrogen
C) Refrigerant
D) Air

Solutions: