Your cluster contains two disk pools. Both disk pools have the same node capacity, file sizes and number of files. One disk pool has more space left than the other disk pool. Why? (Choose 1)

A.
OneFS calculates each disk pool space differently.

B.
The default disk pool protection level overrides all other pools.

C.
Disk pools by rule must have different protection levels.

D.
Each disk pool has a different protection level.