QuestionQ374

Forensic Science

During a large-scale financial investigation in Chicago, Illinois, forensic analysts examine a corporate RAID array used to archive transaction records. They observe that data and parity information are distributed across multiple disks, enabling the system to remain operational even when two drives fail simultaneously. Which RAID configuration best fits this forensic observation of dual-drive fault tolerance?

  • A RAID 0
  • B RAID 1
  • C RAID 5
  • D RAID 6
Explanation

RAID 6 distributes striped data and dual parity across multiple disks, so it can sustain the simultaneous failure of up to two drives without losing data availability. Microsoft documentation identifies RAID 6 as tolerating two drive failures, whereas RAID 5 tolerates one.

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