E20-322 Question #75: Real Exam Question with Answer & Explanation

Click the calculator icon in the upper left-hand corner. A customer is planning to migrate their Exchange server to a VNX array using 15k drives. The customer has the following requirements: RAID 1/0 4000 IOPS 50% reads 50% writes What is the minimum number of 15k (180 IOPS) drives required to meet the requirements?