Protection and Security in Operating Systems
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Questions and Answers

What is the guiding principle of protection according to the text?

  • Principle of random privilege
  • Principle of least privilege (correct)
  • Principle of most privilege
  • Principle of equal privilege

Which term describes a concept similar to 'principle of least privilege' but regarding access to data?

  • Right to access
  • Need to know (correct)
  • Data privilege principle
  • Access restriction concept

What can be static or dynamic in the context of privileges?

  • Access matrix
  • Access rights
  • Privileges (correct)
  • Domains

In the context of domain structure, what does a domain represent?

<p>Set of access-rights (C)</p> Signup and view all the answers

How is protection viewed in the access matrix model?

<p>As a matrix with rows representing domains and columns representing objects (D)</p> Signup and view all the answers

In the context of protection, what does the principle of least privilege aim to achieve?

<p>Limiting privileges to minimize potential damage caused by bugs or abuse (C)</p> Signup and view all the answers

What is a domain in the context of domain structure?

<p>A set of access-rights representing a user, process, or procedure (D)</p> Signup and view all the answers

What does the access matrix in the access matrix model represent?

<p>A matrix where rows represent domains and columns represent objects with associated access rights (A)</p> Signup and view all the answers

What is the difference between static and dynamic privileges?

<p>Static privileges remain constant during the life of the system or process, while dynamic privileges can be changed as needed (B)</p> Signup and view all the answers

What concept is similar to the 'principle of least privilege' but specifically applies to data access?

<p>'Need to know' (A)</p> Signup and view all the answers

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