Operating System Hardening

Restricting the access to an operating system by limiting the number of users

Optimizing the performance of an operating system by removing unnecessary components

Upgrading the operating system to the latest version

Strengthening the security of an operating system by implementing various measures (correct)

A hardware feature that helps prevent certain types of attacks (correct)

A software tool used for debugging operating systems

A programming language commonly used for operating system development

A security protocol used for encrypting data in transit

Granting administrative privileges to all users for convenience

Implementing strong encryption algorithms

Allowing unrestricted access to all system resources

Limiting user privileges to only what is necessary for their tasks (correct)