← Back to 14. Protection

📝 Global Table Implementation of the Access Matrix

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

Practice MCQs for Global Table 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
4
Medium Questions
2
Hard Questions

📝 Sample Questions

Q1. What is the definition of the owner right in an access matrix?

🔹 A. The ability to copy a right to another domain
🔹 B. The ability to add or remove rights in a column
🔹 C. The ability to read an object only
🔹 D. The ability to execute an object only

💡 Difficulty: easy | ✅ Correct: B

Q2. Which variant of the copy mechanism corresponds to the 'transfer' right?

🔹 A. Copy then remove the original
🔹 B. Copy without removing the original
🔹 C. Limited copy
🔹 D. Owner right

💡 Difficulty: medium | ✅ Correct: A

Q3. Domain D1 is the owner of object F1 and wants domain D5 to have write* on F1 and also allow D5 to later add read* rights on the same object. Which combination of rights should D1 grant to D5?

🔹 A. only write*
🔹 B. write* and owner
🔹 C. write* and copy
🔹 D. write* and limited copy

💡 Difficulty: hard | ✅ Correct: B

⬆️ View all questions in the quiz below

🔗 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
🚀 Start Quiz 📝 Practice Mode