nerdexam
IBM

C4090-456 · Question #37

How does the XIV system protect data arriving from hosts?

The correct answer is D. all data is written to cache in two modules and then acknowledged to the host. See the full explanation below for the reasoning.

Question

How does the XIV system protect data arriving from hosts?

Options

  • Aeach module internally mirrors its cache to a special segment of memory
  • BMPIO distributes a single I/O down multiple paths to different XIV modules
  • Cdata is written to a single module before acknowledgement to the host
  • Dall data is written to cache in two modules and then acknowledged to the host

How the community answered

(32 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    13% (4)
  • D
    81% (26)

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