E20-385 Question #203: Real Exam Question with Answer & Explanation

An organization has 6000 GB of file system data with a daily change rate of 10%. Assume the first backup reduces by a factor of 3 (3x), daily incremental backups reduce by a factor of 10 (10x), and subsequent full backups reduce by a factor of 30 (30x). Required retention is 10 weeks (1 weekly full/6 daily incrementals) and system utilization cannot exceed 50% of available capacity. What is the minimum EMC Data Domain storage required?