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Access Control Lecture 3 Quiz

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Questions and Answers

What is access control?

Access control is the mechanism that specifies what users on a system can or cannot do.

What are the components of access control?

The components of access control are objects, subjects, and access modes.

What is Discretionary Access Control (DAC)?

Discretionary Access Control allows the resource owner to specify which subjects can access resources.

What is the most common implementation of DAC?

The most common implementation of DAC is through Access Control Lists (ACLs). Signup and view all the answers

What is Mandatory Access Control (MAC)?

Mandatory Access Control enforces access control based on security labels and predefined security policies. Signup and view all the answers

What is Role Based Access Control (RBAC)?

Role Based Access Control assigns access rights to roles rather than individual users. Signup and view all the answers

What is the purpose of Mandatory Access Control (MAC)?

To protect large amounts of information in environments where data and users can be clearly classified. Signup and view all the answers

How does Role-Based Access Control (RBAC) make access decisions?

Based on the roles that individual users have within an organization. Signup and view all the answers

Give an example of access control in operating systems.

One user cannot arbitrarily access another user's files in an operating system. Signup and view all the answers

Explain the access control in social networks like Facebook and MySpace.

Personal information can have different access levels: private, friends-only, and public. Signup and view all the answers

What capability do some web browsers have in terms of access control?

Control the kinds of content users can view in the browser. Signup and view all the answers

Who has the authority to change the security level of objects in Mandatory Access Control (MAC)?

Only the administrators of the system. Signup and view all the answers