CompTIA A+ Certification: Complete Guide 2026
The gold standard entry-level IT certification for launching your tech career.
What is CompTIA A+?
CompTIA A+ is the industry-recognized credential for IT professionals starting their careers. It validates foundational skills in hardware, software, networking, security, and troubleshooting across various devices and operating systems.
A+ certified professionals are qualified for roles like IT Support Specialist, Help Desk Technician, Field Service Technician, and Desktop Support Analyst. It's often the first step in an IT career path.
Quick Exam Facts
- Exams Required: 2 exams (Core 1 + Core 2)
- Core 1 (220-1101): 90 questions, 90 minutes
- Core 2 (220-1102): 90 questions, 90 minutes
- Passing Score: 675/900 (Core 1), 700/900 (Core 2)
- Cost: $246 per exam ($492 total)
- Validity: 3 years (renewable via CE)
Core 1 (220-1101) Exam Domains
| Domain | Weight |
|---|---|
| 1. Mobile Devices | 15% |
| 2. Networking | 20% |
| 3. Hardware | 25% |
| 4. Virtualization & Cloud Computing | 11% |
| 5. Hardware & Network Troubleshooting | 29% |
Key Core 1 Topics
- Laptop hardware components and displays
- Network types, devices, and protocols (TCP/IP, DNS, DHCP)
- RAM types, storage devices, motherboards, CPUs
- Cloud computing concepts and virtualization
- Printer technologies and troubleshooting
Core 2 (220-1102) Exam Domains
| Domain | Weight |
|---|---|
| 1. Operating Systems | 31% |
| 2. Security | 25% |
| 3. Software Troubleshooting | 22% |
| 4. Operational Procedures | 22% |
Key Core 2 Topics
- Windows, macOS, Linux, and mobile OS features
- Physical and logical security measures
- Malware removal and prevention
- Documentation and change management
- Scripting basics (PowerShell, Bash)
Study Tips
- Hands-on practice: Build a PC, set up virtual machines
- Lab environment: Practice troubleshooting scenarios
- Performance-based questions: Expect simulations on both exams
- Study time: 4-8 weeks per exam depending on experience
- Order: Take Core 1 first, then Core 2
Career Impact
- Average salary: $50,000 - $65,000 USD (entry-level)
- Required by many employers for IT support roles
- Foundation for Network+, Security+, and cloud certs
- DoD 8570 approved for IAT Level I positions
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