Operating System Access Control Concepts

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What is the system’s access enforcement mechanism that enforces the access control specification?

Mandatory Access Control (MAC)

Discretionary Access Control (DAC)

Reference monitor (correct)

Access matrix

Which type of access control decentralizes security decisions to resource owners?

Mandatory Access Control (MAC)

Discretionary Access Control (DAC) (correct)

Role-Based Access Control (RBAC)

Access matrix

What type of access control uses a centrally managed model to provide the highest level of security?

Reference monitor

Mandatory Access Control (MAC) (correct)

Role-Based Access Control (RBAC)

Access matrix

What type of access control applies security labels to resources and individuals?

Mandatory Access Control (MAC) Signup and view all the answers

What does MAC rely on to describe a resource’s sensitivity?

Classiﬁcation system Signup and view all the answers

What is used to define the protection domain of a process?

Access matrix Signup and view all the answers

What is the primary purpose of Role-based Access Control (RBAC)?

To assign privileged functions to specific user accounts Signup and view all the answers

What is the responsibility of the reference monitor in access control?

To enforce the access control policy Signup and view all the answers

How does Role-based Access Control (RBAC) relate to the principle of least privilege?

By selectively granting privileges based on unique needs Signup and view all the answers

What role does authorization play in access control?

Determining if a client has permission to use a resource Signup and view all the answers

How does an operating system typically authenticate users?

By using username/password, user card/key, or user attributes Signup and view all the answers

What is the purpose of a user's compartment in access control?

To define the group or groups a user participates in Signup and view all the answers

What is the primary function of a reference monitor in access control?

Enforcing the access control policy Signup and view all the answers

What is the main goal of using RBAC in organizations?

To selectively grant privileges based on unique needs and requirements Signup and view all the answers

How does RBAC align with the security principle of least privilege?

By selectively granting privileges based on unique needs and requirements Signup and view all the answers

What distinguishes authorization from authentication in the context of access control?

The process by which a server determines if a client has permission to use a resource or access a file. Signup and view all the answers

Operating System Access Control Concepts

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Questions and Answers

What is the system’s access enforcement mechanism that enforces the access control specification?

Which type of access control decentralizes security decisions to resource owners?

What type of access control uses a centrally managed model to provide the highest level of security?

What type of access control applies security labels to resources and individuals?

What does MAC rely on to describe a resource’s sensitivity?

What is used to define the protection domain of a process?

What is the primary purpose of Role-based Access Control (RBAC)?

What is the responsibility of the reference monitor in access control?

How does Role-based Access Control (RBAC) relate to the principle of least privilege?

What role does authorization play in access control?

How does an operating system typically authenticate users?

What is the purpose of a user's compartment in access control?

What is the primary function of a reference monitor in access control?

What is the main goal of using RBAC in organizations?

How does RBAC align with the security principle of least privilege?

What distinguishes authorization from authentication in the context of access control?

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