Practice Access Matrix - 10.2 | 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 an access matrix represent?

πŸ’‘ Hint: Think about what the rows and columns of the matrix symbolize.

Question 2

Easy

What is a subject in the context of an Access Matrix?

πŸ’‘ Hint: Consider who or what might need access in a system.

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

Which of the following best describes the Access Matrix?

  • A linear list of permissions
  • A two-dimensional table of access rights
  • A database of user credentials

πŸ’‘ Hint: Consider how the Access Matrix is visually organized.

Question 2

Access lists are maintained for which entities?

  • Subjects
  • Objects
  • Both

πŸ’‘ Hint: Think about who accesses what.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Assume a system utilizes an Access Matrix with a global table for access control. Describe the steps needed to revoke a subject's access rights upon detecting a security breach.

πŸ’‘ Hint: Consider what you need to track in a global table.

Question 2

Analyze how using access lists instead of capability lists could improve security in a multi-user environment.

πŸ’‘ Hint: Reflect on management efficiency and access tracking.

Challenge and get performance evaluation