Windows Server Administration Fundamentals — Question 174

Which RAID level uses parity information to recover data from a failed disk?

Answer options

• A. RAID 0
• B. RAID 1
• C. RAID 5
• D. RAID 10

Correct answer: C

Explanation

RAID 5 is the only RAID level listed that utilizes parity information to allow for data recovery from a single failed disk. RAID 0 offers no redundancy, RAID 1 mirrors data without parity, and RAID 10 combines mirroring and striping but does not use parity for recovery.