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📝 Capability lists for domains for Implementation of the Access Matrix

📖 From Operating System • 14. Protection • 8 questions available

Practice MCQs for Capability lists for domains for Implementation of the Access Matrix. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

2
Easy Questions
3
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. A process executing in domain D2 copies the read right for file F2 to domain D3. Which type of copy right is being exercised?

🔹 A. transfer
🔹 B. copy
🔹 C. limited copy
🔹 D. owner

💡 Difficulty: easy | ✅ Correct: B

Q2. Domain D1 is the owner of file F1. To grant domain D2 the write right on F1, which capability must D1 possess?

🔹 A. owner
🔹 B. copy
🔹 C. transfer
🔹 D. limited copy

💡 Difficulty: medium | ✅ Correct: A

Q3. Domain D2 holds a copy right \(R^*\) for read* on file F2 and copies it to domain D3. Later, D3 attempts to copy the same right to D4. Which outcome correctly describes the system's behavior?

🔹 A. D3 cannot copy because it lacks \(R^*\)
🔹 B. D3 can copy, creating another \(R^*\)
🔹 C. The copy creates only the basic read right, preventing further copying
🔹 D. The owner right overrides the copy restriction

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Goals of Protection in Operating System📝 Principles of Protection in Operating System📝 Domain of Protection in Operating System📝 Domain structure for protection in Operating System📝 UNIX example of protection in Operating System
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