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Dell-EMC

E20-324 · Question #114

Click on the calculator icon in the upper left-hand corner. A customer has four (4) LUNs of 500 GiB each, six (6) LUNs of 250 GiB each, and five (5) LUNs of 100 GiB each. All the drives presently in…

The correct answer is A. 200 GiB. See the full explanation below for the reasoning.

Question

Click on the calculator icon in the upper left-hand corner. A customer has four (4) LUNs of 500 GiB each, six (6) LUNs of 250 GiB each, and five (5) LUNs of 100 GiB each. All the drives presently in their VNX system are SAS and NL-SAS. They wish to implement FAST Cache. Your data collection shows the skew to be 95%. What is the minimum size of FAST Cache recommended for this environment?

Options

  • A200 GiB
  • B100 GiB
  • C400 GiB
  • D500 GiB

How the community answered

(37 responses)
  • A
    78% (29)
  • B
    14% (5)
  • C
    3% (1)
  • D
    5% (2)

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