Study guide · CompTIA A+
CompTIA A+ Practice Exam (Core 1 & Core 2)
270 practice questions for both CompTIA A+ exams — 220-1101 (Core 1) and 220-1102 (Core 2). Hardware, networking, Windows, Linux, macOS, security, and troubleshooting.
Two exams, one certification
CompTIA A+ requires passing two exams: Core 1 (220-1101) and Core 2 (220-1102). Both have up to 90 questions, 90-minute time limit, and a passing score of 675/900.
220-1101 Core 1
Hardware & Connectivity
- Mobile Devices (15%)
- Networking (20%)
- Hardware (25%)
- Virtualization & Cloud (11%)
- Hardware & Network Troubleshooting (29%)
220-1102 Core 2
Software & Security
- OS (31%)
- Security (25%)
- Software Troubleshooting (22%)
- Operational Procedures (22%)
Sample A+ practice questions
A technician replaces a laptop's battery but the system still shows "Battery not detected." The battery is fully charged and fits correctly. What should the technician check next?
A. Reinstall the operating system
B. Check the battery connector pins and reseat the battery ✓
C. Update the GPU driver
D. Replace the motherboard
A+ troubleshooting starts with the simplest physical causes. "Battery not detected" after replacement usually indicates a seating or connector issue. Motherboard replacement is a last resort.
A user's Windows 10 computer is infected with malware that reinstalls itself on every reboot. Which procedure should the technician follow?
A. Run antivirus in normal mode
B. Perform a system restore
C. Boot into Safe Mode and run the antivirus scan ✓
D. Reinstall Windows immediately
Safe Mode loads only essential drivers, preventing malware from loading its persistence mechanisms. Scanning in Safe Mode allows removal of files that would otherwise be locked or re-created in normal mode.
Which wireless standard operates in both 2.4 GHz and 5 GHz bands and achieves a theoretical maximum of 600 Mbps?
A. 802.11a
B. 802.11g
C. 802.11n ✓
D. 802.11ac
802.11n (Wi-Fi 4) operates on both 2.4 GHz and 5 GHz and introduced MIMO to reach up to 600 Mbps. 802.11a: 5 GHz only, 54 Mbps. 802.11g: 2.4 GHz only, 54 Mbps. 802.11ac: 5 GHz only, multi-gigabit.
A+ study strategy
Hardware troubleshooting is the biggest domain in Core 1
Hardware & Network Troubleshooting is 29% of Core 1. Get hands-on with real components. Know the CompTIA troubleshooting methodology: identify, establish theory, test, plan and implement, verify, document.
Core 2 OS questions favor Windows
OS is 31% of Core 2, heavily weighted toward Windows 10/11. Know the Windows Registry, Task Manager, Event Viewer, Device Manager, and Command Prompt tools: ipconfig, netstat, tracert, sfc /scannow.
270 A+ questions for Core 1 + Core 2
Free to start · Pro unlocks all + timed exam mode
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