What is the minimum recommended protection setting required for the A2000?

A company is adding a 48-node A2000 with 10 TB HDDs for deep archival data to their existing Dell EMC Isilon cluster. The existing cluster consists of a 10-node X210 and an 8-node NL410.

What is the minimum recommended protection setting required for the A2000?
A . N+3d:1n1d
B . N+4n
C . N+4d:1n
D . N+4d:2n

Answer: D

Explanation:

Reference: https://www.dellemc.com/resources/en-us/asset/whitepapers/products/storage/h10588-isilon-data-availability-protection-wp.pdf