INTRODUCTION
The A+ Core 1 certification is the first of two exams required for the CompTIA A+ credential. It validates foundational IT skills focused on hardware, networking, mobile devices, virtualization/cloud computing, and troubleshooting.
EXAM STRUCTURE
- Exam Code: 220-1101 
- Covers these objective domains: - Mobile Devices – ~15% 
- Networking – ~20% 
- Hardware – ~25% 
- Virtualization and Cloud Computing – ~11% 
- Hardware and Network Troubleshooting – ~29% 
 
- Number of questions in practice material: 350+ 
- No formal prerequisites, though some experience in IT support is recommended. 
KEY TOPICS COVERED
Candidates should focus on:
- Mobile device types, connection methods, and security 
- Networking protocols, wireless technologies, and troubleshooting network issues 
- PC and peripheral hardware: installation, configuration, maintenance 
- Virtualization technologies, cloud models, and deployment basics 
- Diagnosing and repairing hardware and network problems effectively 
BENEFITS OF A+ CORE 1
Earning the Core 1 (220-1101) helps demonstrate mastery of essential IT support skills and is typically paired with Core 2 (220-1102) to earn the full A+ certification. It supports career roles such as IT support technician, help desk specialist, and field service technician. 
EXAM PREPARATION TIPS
- Review each objective domain thoroughly and focus on the weighting of each topic. 
- Use practice tests to familiarize yourself with question formats (MCQ, performance-based items). 
- Gain hands-on experience working with mobile devices, networking gear, hardware components, virtualization tools, and troubleshooting scenarios. 
- Regularly revisit weaker topics (for example, virtualization/cloud or mobile devices) where you score lower in practice exams. 
CONCLUSION
The A+ Core 1 (220-1101) exam is an important step for IT support professionals entering the field. Its balanced coverage of mobile devices, networking, hardware, virtualization/cloud computing, and troubleshooting ensures that candidates are well-prepared for practical IT tasks. Passing this exam puts you on the path to earning the full A+ certification and strengthening your credentials for IT support roles.
AUTHOR BIO
This article was written by the editorial team at Asoftware, a group dedicated to providing clear, structured, and up-to-date content for IT certification candidates and professionals.
