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Dell-EMC

E20-385 · Question #202

An organization has 3000 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. 7600 GB. See the full explanation below for the reasoning.

Question

An organization has 3000 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

  • A2800 GB
  • B3800 GB
  • C5600 GB
  • D7600 GB

How the community answered

(23 responses)
  • A
    4% (1)
  • B
    9% (2)
  • C
    13% (3)
  • D
    74% (17)

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Full E20-385 Practice