📝 MULTICS example of protection in Operating System

Q1. An administrator must grant a user temporary admin rights to install software and then revoke them. Which mechanism best supports this temporary privilege change?

💡 Difficulty: easy | ✅ Correct: A

Q2. Which access control method best enforces that backup operators can mount tapes but cannot modify system files?

💡 Difficulty: medium | ✅ Correct: A

Q3. A multinational corporation uses a centralized RBAC system. They need to allow a user in the Europe office temporary access to a US‑only database for a project, but only between 09:00‑17:00 GMT. Which combination of controls best satisfies the requirement?

💡 Difficulty: hard | ✅ Correct: A