Which tier(s) will qualify for deduplication and compression?

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A Dell EMC SC7020 contains the following drives:

-Tier 1: Write-intensive SSDs

-Tier 2: Read-intensive SSDs

-Tier 3: 7K HDDs

Which tier(s) will qualify for deduplication and compression?
A . Tier 1 only
B . Tier 1 and Tier 3 only
C . Tier 1, Tier 2, and Tier 3
D . Tier 2 and Tier 3 only

Answer: D