Câu 219: N10-009: CompTIA Network+

A user called the help desk after business hours to complain that files on a device are inaccessible and the wallpaper was changed. The network administrator thinks that this issue is an isolated incident, but the security analyst thinks the issue might be a ransomware attack. Which of the following troubleshooting steps should be taken first?

1. A. Identify the problem. — đáp án hiện tại
2. B. Establish a theory.
3. C. Document findings.
4. D. Create a plan of action.