CSCU Operating System Security 3

Question 1

What is secure boot and what threat does it protect against?

Accepted Answer

A firmware-level security mechanism that ensures only trusted, digitally signed software loads during the boot process, preventing bootkit malware

Answer

A feature that makes the computer start up faster

Answer

A power-saving feature for laptops

Answer

A method for encrypting files during startup

Question 2

What is application sandboxing in operating systems?

Accepted Answer

Isolating applications in a restricted environment that limits their access to system resources and other applications' data

Answer

Running applications in a beach-themed interface

Answer

Installing applications in a compressed format

Answer

Allowing applications to access all system resources freely

Question 3

What is the purpose of audit logging in operating system security?

Accepted Answer

To record security-relevant events such as login attempts, file access, and system changes for monitoring and forensic investigation

Answer

To track how much storage space is being used

Answer

To measure computer performance benchmarks

Answer

To automatically fix system errors

Question 4

What is a Group Policy and how does it enhance operating system security in enterprise environments?

Accepted Answer

A Windows mechanism that allows administrators to centrally define and enforce security settings across all computers in a domain

Answer

A social media policy for employees

Answer

A team collaboration tool

Answer

A method for sharing files between group members

Question 5

What is the security significance of disabling unnecessary operating system services?

Accepted Answer

Each running service is a potential attack vector, so disabling unused services reduces the system's attack surface

Answer

It frees up hard drive space

Answer

It makes the desktop interface cleaner

Answer

It prevents other users from logging in

Question 6

What is the purpose of file system permissions in operating system security?

Accepted Answer

To control which users and processes can read, write, or execute specific files and directories

Answer

To organize files into alphabetical order

Answer

To compress files to save storage space

Answer

To change the visual appearance of file icons