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Dell-EMC

E20-324 · Question #177

A customer has 20 physical hosts which will be virtualized. They will then be connected to a new VNX system. All hosts will use virtual disks with a block size of 1 MB. The customer shows you…

The correct answer is A. The virtual hosts will perform a mix of 8 kB and 64 kB I/Os. See the full explanation below for the reasoning.

Question

A customer has 20 physical hosts which will be virtualized. They will then be connected to a new VNX system. All hosts will use virtual disks with a block size of 1 MB. The customer shows you performance statistics from the physical hosts. You note that they all perform a mix of 8 kB and 64 kB I/Os. The customer asks what the I/O profile on the new VNX system will be. What should you tell the customer?

Options

  • AThe virtual hosts will perform a mix of 8 kB and 64 kB I/Os
  • BThe virtual hosts will perform I/Os of 1 MB exclusively
  • CThe virtual hosts will perform 8 kB and 64 kB I/Os, and the hypervisor will perform 1 MB I/O
  • DiSCSI virtual hosts will perform 8 kB and 64 kB I/Os, and Fibre Channel hosts will perform 1 MB I/Os

How the community answered

(42 responses)
  • A
    81% (34)
  • B
    5% (2)
  • C
    12% (5)
  • D
    2% (1)

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Full E20-324 Practice