A customer wants to expand their Dell EMC Unity Hybrid system, which includes a pool of 64 drives in a RAID 5 (4+1) configuration. What is the minimum number of drives needed to expand the pool?

• A.1
• B.5
• C.6
• D.7

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You are designing a two-tiered Dell EMC SC Series solution that will be optimized for performance. You gather the necessary data from Live Optics and find that the read/write ratio is 80:20.
What approach is recommended?

• A.Size Tier 1 for 100% of the adjusted IOPS
• B.Use distributed adjusted IOPS for all tiers
• C.Use distributed adjusted IOPS for Tiers 1 and 2 only
• D.Size Tier 2 for 100% of the adjusted IOPS

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