IBM Exam Questions

Which statement is ALWAYS true?

Which statement is ALWAYS true?

A.
The usable capacity of a RAID 6 array is 33%

B.
The usable capacity of a RAID 5 array is 80%

C.
The usable capacity of a RAID 10 array is 50%

D.
The usable capacity of a RAID 10 array is 66%