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📝 RAID levels in Mass Storage Structure

📖 From Operating System • 10. Mass Storage Structure • 41 questions available

Practice MCQs for RAID levels in Mass Storage Structure. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-26

14
Easy Questions
16
Medium Questions
11
Hard Questions

📝 Sample Questions

Q1. What is the primary purpose of RAID 0?

🔹 A. Increase storage capacity
🔹 B. Provide fault tolerance
🔹 C. Improve read/write performance
🔹 D. Combine mirroring and parity

💡 Difficulty: easy | ✅ Correct: B

Q2. A small business needs at least 2 TB of usable space and wants to tolerate a single disk failure without sacrificing performance. They have four 1 TB drives. Which RAID configuration meets these needs best?

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

💡 Difficulty: medium | ✅ Correct: D

Q3. A data center wants to ensure that any three disk failures can be tolerated while keeping the storage overhead under 50%. They have ten 6 TB drives. Which RAID configuration satisfies both constraints?

🔹 A. RAID 5
🔹 B. RAID 6
🔹 C. RAID 10
🔹 D. RAID 6 with hot spare

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Magnetic disks📝 Solid state disks📝 Magnetic tapes📝 Disk Structure📝 Host attached storage
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