Practice Access Matrix (10.2) - Protection and Security - Operating Systems
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Access Matrix

Practice - Access Matrix

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does an access matrix represent?

💡 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?

💡 Hint: Consider who or what might need access in a system.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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

💡 Hint: Consider how the Access Matrix is visually organized.

Question 2

Access lists are maintained for which entities?

Subjects
Objects
Both

💡 Hint: Think about who accesses what.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

💡 Hint: Consider what you need to track in a global table.

Challenge 2 Hard

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

💡 Hint: Reflect on management efficiency and access tracking.

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