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Dell-EMC

E20-385 · Question #203

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…

The correct answer is D. 15200 GB. See the full explanation below for the reasoning.

Question

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?

Options

  • A5600 GB
  • B7600 GB
  • C11200 GB
  • D15200 GB

How the community answered

(22 responses)
  • A
    9% (2)
  • B
    5% (1)
  • C
    5% (1)
  • D
    82% (18)

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