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Exam CV0-003 topic 1 question 364 discussion

Actual exam question from CompTIA's CV0-003
Question #: 364
Topic #: 1
[All CV0-003 Questions]

A systems administrator is deploying a new storage array for backups. The array provides 1PB of raw disk space and uses 14TB nearline SAS drives. The solution must tolerate at least two failed drives in a single RAID set. Which of the following RAID levels satisfies this requirement?

  • A. RAID 0
  • B. RAID 1
  • C. RAID 5
  • D. RAID 6
  • E. RAID 10
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Suggested Answer: D 🗳️
by BigM at March 2, 2025, 3:28 p.m.

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BigM
5 months, 2 weeks ago
Selected Answer: D
Explanation: RAID 6 uses double parity, allowing the array to tolerate at least two failed drives while still maintaining data integrity. Since nearline SAS (NL-SAS) drives are high-capacity but slower than enterprise SAS, RAID 6 is a good balance of fault tolerance and storage efficiency. RAID 6 can recover from up to two simultaneous drive failures, making it ideal for large storage arrays.
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