Multiple choice

Which of the following are the common access control mechanisms?

  1. Hierarchies

  2. Lists

  3. Both 1 and 2

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Common access control mechanisms include hierarchical approaches (like protection rings or multilevel security) and list-based approaches (like Access Control Lists). These represent two fundamental paradigms for managing permissions. Hierarchies organize by privilege levels, while lists enumerate explicit permissions.

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