📝 Access lists for objects Implementation of the Access Matrix

Q1. What does the owner right allow a domain to do in an access matrix?

💡 Difficulty: easy | ✅ Correct: C

Q2. How do the three copy‑type rights—copy, transfer, and limited copy—differ in terms of right retention after the operation?

💡 Difficulty: medium | ✅ Correct: A

Q3. Consider the following chain: D1 (owner of F1) grants a copy right for read* to D2; D2 copies read* to D3; D3 then attempts to copy read* to D4. Which policy prevents D3 from succeeding?

💡 Difficulty: hard | ✅ Correct: B