Why This Cheat Sheet Matters for APLUS2
This cheat sheet covers the most important Security concepts tested on the APLUS2 (A+ Core 2) certification exam. It contains 2 sections with 14 key points. Use this as a quick-reference guide during your final review sessions.
2Sections
14Key Points
Malware Types
- Virus: attaches to files, requires user action to spread.
- Worm: self-replicates across networks without user action.
- Trojan: disguised as legitimate software.
- Ransomware: encrypts files, demands payment.
- Spyware: silently collects user information.
- Rootkit: hides deep in OS, very difficult to detect/remove.
- Keylogger: records keystrokes.
Malware Removal Steps
- 1. Identify and research symptoms.
- 2. Quarantine infected systems.
- 3. Disable System Restore (to prevent reinfection from restore points).
- 4. Remediate: scan and remove with updated antimalware.
- 5. Schedule follow-up scans.
- 6. Enable System Restore and create new restore point.
- 7. Educate the user.
Practice Security Questions
Put your knowledge to the test with practice questions.
CompTIA Acronym Quick Reference
CompTIA exams are packed with acronyms — memorising key acronyms and their meanings is critical. Each exam has an official list of acronyms in the exam objectives document. Focus on acronyms that appear across multiple domains, as these represent the most frequently tested concepts. Our flashcard decks are designed to drill these acronyms efficiently.