Absolute Free H12-461_V1.0 Exam Practice for Comprehensive Preparation 

If the moisture content in the air remains constant, the dew point temperature is fixed, but relative humidity changes with temperature variations.

For a data center with a standard designation of GB50174-A, which of the following descriptions regarding the load classification is incorrect?

When calculating the power demand of a UPS (Uninterruptible Power Supply) system, only the backend capacity needs to be considered, and redundancy for the load does not need to be accounted for, while the capacity of the battery can be ignored. 

According to GB50174-2017, data centers using chilled water cooling systems should have thermal storage devices, with storage time meeting operational needs. Is this correct?

Regarding the use of circuit breakers, which of the following descriptions are correct?