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E20-001 · Question #188

Which statement is true of parity-based RAID?

The correct answer is C. Parity is updated each time a write is performed. EMC E20-001 Exam

Intelligent Storage Systems

Question

Which statement is true of parity-based RAID?

Options

  • AParity is read each time a read is performed
  • BParity is read only when a full stripe is read
  • CParity is updated each time a write is performed
  • DParity is updated when writes fill a stripe

How the community answered

(24 responses)
  • A
    13% (3)
  • B
    4% (1)
  • C
    79% (19)
  • D
    4% (1)

Explanation

EMC E20-001 Exam

Topics

#RAID parity#parity update#write penalty#data protection

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