Practice The Access Matrix Model, Its Implementation, and Revocation - 10.2.1 | Module 10: Protection and Security | Operating Systems
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the term 'access matrix' refer to?

πŸ’‘ Hint: Think of how subjects and objects are organized in a table.

Question 2

Easy

What are subjects in the context of the Access Matrix Model?

πŸ’‘ Hint: They are the ones trying to reach out to some resources.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the Access Matrix Model help to represent?

  • Users only
  • Access rights among subjects and objects
  • Object permissions only

πŸ’‘ Hint: Consider how it organizes who can do what.

Question 2

True or False: Revocation of access rights is only applicable for direct permissions.

  • True
  • False

πŸ’‘ Hint: Think about the scope of access that can be revoked.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a scenario with three subjects and three objects defined in an access matrix. How would you plan to revoke access for one subject with capabilities granted to different entities?

πŸ’‘ Hint: Think about what would be the best method to ensure no rights are missed.

Question 2

Analyze the differences in access control between using global tables and access lists for a multi-user system. What are the trade-offs?

πŸ’‘ Hint: Consider how user interaction might affect these systems.

Challenge and get performance evaluation