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Assessment

1. What is the main goal of Linux security fundamentals? A. Make every system impossible to use B. Disable all monitoring C. Reduce unnecessary risk while keeping required functions reliable D. Avoid documentation

2. Why should root and sudo access be limited? A. They can make high-impact administrative changes B. They are only decorative labels C. They never affect system security D. They replace the need for backups

3. What do Linux file permissions help control? A. Weather reports B. Screen brightness only C. The color of terminal text D. Who can read, write, or execute files

4. Why should services and open ports be reviewed? A. To make every service public B. Unnecessary services and exposure increase risk C. To remove all system owners D. To avoid monitoring

5. Why do trusted repositories and updates matter? A. They make patch planning unnecessary B. They remove the need for inventory C. They help reduce risk from untrusted or outdated software D. They guarantee no system will ever fail

6. What is a good principle for SSH and remote administration? A. Expose administration broadly by default B. Share administrator accounts C. Disable logging for remote access D. Restrict, monitor, and justify remote administrative access

7. What do Linux logs and audit trails help teams understand? A. System activity, changes, authentication events, and failures B. Only file colors C. Nothing useful D. Why backups are unnecessary

8. Which is the best Linux security operating routine? A. Guess, change production, and hope B. Inventory, limit privilege, set permissions, reduce services, patch, secure remote access, monitor, back up, and improve C. Disable logs and remove backups D. Give every user full administrative access