CompTIA A+ (220-1102) Study Guide & Cheat Sheet
COMPTIA A+ TIPS
Cyber Wizard
This CompTIA A+ 220-1102 (Core 2) Study Guide covers all the essential topics, including operating systems, security, troubleshooting, and IT operational procedures. With clear explanations and useful command-line references, this guide is perfect for exam preparation and real-world IT support roles.
1. Operating Systems (31%)
Common Operating Systems & Their Features
Windows Versions & Editions: Home, Pro, Enterprise, Windows 10 vs. Windows 11.
macOS & Linux Basics: Terminal commands, file system structures, package management.
Mobile OS (iOS & Android): App permissions, security updates, remote management.
File Systems: NTFS (Windows), FAT32 (Older Windows and removable media), ext4 (Linux).
Windows Administrative Tools
Control Panel & Settings: Adjust system configurations.
Task Manager: Monitor running processes and performance.
Event Viewer: Logs system and application errors.
Device Manager: Manage system drivers and connected devices.
Disk Management: Partition and format drives.
Command Line Tools
2. Security (25%)
Security Threats & Prevention
Malware Types: Viruses, Trojans, Ransomware, Spyware, Rootkits.
Social Engineering Attacks: Phishing, Tailgating, Pretexting, Baiting.
Security Best Practices: Least privilege, Patch management, Strong password policies.
Authentication Methods: Multi-factor authentication (MFA), Biometrics, Smart Cards.
Physical Security Measures: Secure badge entry, CCTV monitoring, Secure server rooms.
Security Tools & Measures
Antivirus & Anti-malware: Detects and removes malicious software.
BitLocker & Full Disk Encryption: Protects data on drives.
VPN (Virtual Private Network): Ensures secure remote access.
Firewall Configurations: Blocks unauthorized access to networks.
User Account Control (UAC): Prevents unauthorized changes to the system.
3. Software Troubleshooting (22%)
Common Issues & Solutions
Boot Errors: Missing OS, BSOD (Blue Screen of Death), Boot loops.
Application Crashes: Check logs, reinstall software, update applications.
Network Issues: No connectivity, Slow speeds, IP conflicts, DNS issues.
Printer Troubleshooting: Paper jams, Driver problems, Connectivity issues.
Windows Recovery & Repair Options
Safe Mode: Boot with minimal drivers for troubleshooting.
System Restore: Roll back to a previous stable system state.
Recovery Disk: Boot from an external repair disk for system recovery.
Reset PC: Reinstall Windows while keeping or removing personal files.
Windows Update Troubleshooter: Resolves update installation issues.
4. Operational Procedures (22%)
IT Professional Best Practices
Documentation & Change Management: Keep logs of system modifications.
Customer Service Skills: Active listening, clear and concise communication.
Disaster Recovery Planning: Ensure business continuity through regular backups.
Backup Strategies: Full, Incremental, and Differential backup solutions.
Remote Support Tools: Remote Desktop, SSH, VPN access.
Environmental & Safety Concerns
Proper Equipment Handling: ESD (Electrostatic Discharge) prevention, Safe lifting techniques.
Data Disposal & Sanitization: Secure wiping of data before recycling old devices.
Regulatory Compliance & Standards:
OSHA: Workplace safety regulations.
GDPR: Data protection law (Europe).
HIPAA: Healthcare data protection (USA).
PCI-DSS: Security compliance for credit card transactions.
