CompTIA A+ Core 2 · 220-1102
Objective 3.2: Troubleshoot common personal computer security issues
Practice questions for A+ Core 2 objective 3.2, “Troubleshoot common personal computer security issues.” Every question is original, written to the 220-1102 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 3.0: Software Troubleshooting, which is about 22% of the exam — so mastering it moves your readiness score meaningfully.
1.A user receives a Windows Security Alert pop-up urging them to call a phone number to remove a detected virus. The alert cannot be closed. What type of threat is this?
2.A user reports they can no longer access files in a shared network folder they could access yesterday. Event Viewer on the file server shows a security audit failure for the user's account. What has most likely changed?
3.A user reports that every time they open their browser, it navigates to a different search engine than the one they configured. Resetting browser settings temporarily fixes it, but the hijack returns. What is the most likely cause?
4.A user reports that their browser shows a padlock icon with a red X and a warning that the website's certificate is issued to a different domain. What does this indicate?
5.A user reports that they shared their password with a coworker over email so the coworker could access a shared folder. The security team flags this as a policy violation. What category of security issue does this represent?
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