Which Isilon data protection offers additional safety during data rebuilds and is the minimum requir

Which Isilon data protection offers additional safety during data rebuilds and is the minimum
required protection for node pools containing drives that are 6 TB or larger?

A.
3X

B.
N+2d:1n

C.
N+3d:1n1d

D.
N+3d:1n

Explanation: