CompTIA A+

Looking to start your IT career? The CompTIA A+ certification serves as your foundation for success in information technology. As the industry's most recognized entry-level certification, A+ validates your ability to support basic IT infrastructure, including hardware, software, and operating systems.

CompTIA developed the A+ certification program to provide an industry-wide means of certifying the competency of computer service technicians. The A+ certification is granted to those who have attained the knowledge and troubleshooting skills needed to provide capable support in the field of personal computers. It is similar to other certifications in the computer industry, such as the Cisco Certified Technician (CCT) program and the Microsoft Technology Associate (MTA) certification program. The theory behind these certifications is that if you need service performed on any of their products, you would sooner call a technician certified in one of the appropriate certification programs than call the first "expert" in the phone book.

Quick facts about CompTIA A+

• Consists of two exams: Core 1 (220-1101) and Core 2 (220-1102)
• Exam cost: $253 per exam in the US and EUR 228 in Europe
• Certification validity: 3 years
• Recommended experience: 9-12 months of hands-on experience
• Study time: Approximately 120 hours of preparation

Career opportunities and salary outlook

The A+ certification opens doors to several entry-level IT positions. Here's what you can expect to earn in these roles (based on US median total pay data for November 2024):

• Technical support specialist: $64K/yr
• IT support technician: $54K/yr
• Help desk analyst: $66K/yr
• Desktop support administrator: $77K/yr
• System support specialist: $82K/yr
• Associate network engineer: $113K/yr

Note: Salaries vary based on location, experience, and additional certifications.

Detailed exam objectives

Core 1 (220-1101) Exam

Mobile Devices (15%)

Mobile devices are essential business tools in today's IT environment. This domain ensures you can effectively support and maintain laptops and other mobile devices. You'll need to understand various display technologies, including LCD and OLED screens, and how to troubleshoot common display issues. The section covers laptop-specific components like batteries, specialized ports, and docking stations. You'll also learn about mobile device synchronization, wireless configuration, and how to set up mobile device security features.

Networking (20%)

Modern IT support requires a solid foundation in networking concepts. This section covers fundamental networking technologies that connect our digital world. You'll learn to configure TCP/IP settings, understand different wireless networking standards, and set up small office/home office (SOHO) networks. The domain also explores network hardware components like routers and switches, teaching you how they interconnect and how to troubleshoot common networking issues. Understanding proper cable types and network security principles is also a key focus.

Hardware (25%)

Understanding computer hardware is at the core of IT support. This comprehensive domain covers all aspects of PC components and their interactions. You'll learn about motherboards, processors, memory types, and storage devices—from traditional hard drives to modern SSDs. The section also addresses power supplies, cooling systems, and peripheral devices. You'll gain skills in proper installation procedures, compatibility requirements, and configuring BIOS/UEFI settings. Understanding printer technologies and their maintenance is another crucial aspect of this domain.

Virtualization and Cloud Computing (20%)

Understanding virtualization and cloud concepts is crucial as businesses increasingly move to cloud-based solutions. This domain introduces fundamental cloud service models and deployment types. You'll learn about different cloud storage options and how to set up virtual machines. The section covers client-side virtualization concepts, resource allocation, and basic cloud security principles. Understanding these technologies helps support users who work with cloud-based applications and virtual environments.

Hardware and Network Troubleshooting (20%)

Effective troubleshooting is perhaps the most valuable skill in IT support. This domain teaches systematic approaches to identifying and resolving hardware and network issues. You'll learn to interpret POST codes, use diagnostic tools, and resolve common hardware failures. The section also covers network connectivity troubleshooting, including wireless and IP configuration problems. You'll develop skills in reading error messages, using system logs, and implementing appropriate solutions.

Core 2 (220-1102) Exam

Operating Systems (30%)

Operating system knowledge forms the backbone of IT support. This extensive domain covers Windows installation, configuration, and maintenance. You'll learn about different Windows versions, essential management tools, and command-line interfaces. The section also introduces macOS and Linux concepts, helping you support diverse computing environments. Mobile operating systems are included, reflecting their growing importance in business environments. You'll understand system requirements, upgrade paths, and backup/recovery procedures.

Security (25%)

In our interconnected world, security knowledge is non-negotiable. This domain covers both physical and digital security measures. You'll learn about access control methods, including biometric security and authentication protocols. The section addresses malware types, prevention strategies, and security best practices. You'll understand wireless security standards, firewall configuration, and encryption concepts. Social engineering awareness and security policy compliance are also key components.

Software Troubleshooting (25%)

Software issues can significantly impact productivity. This domain teaches you to diagnose and resolve common software problems systematically. You'll learn to handle application installation issues, performance problems, and operating system errors. The section covers malware removal procedures, data backup strategies, and mobile device security. You'll develop skills in using system restore tools, managing updates, and resolving compatibility issues.

Operational Procedures (20%)

Professional IT support requires more than technical knowledge. This domain covers essential workplace procedures and best practices. You'll learn about proper documentation methods, including change management and incident reporting. The section emphasizes safety procedures, environmental considerations, and communication skills. You'll understand privacy regulations, acceptable use policies, and proper disposal procedures for equipment. Professional behavior and customer service skills are also crucial components of this domain.

Each domain builds upon the others to create a comprehensive foundation for IT support professionals. While percentage weightings indicate the relative importance on the exam, all areas are crucial for real-world IT support roles.

Preparing for CompTIA A+

The path to A+ certification offers several approaches, and choosing the right one depends on your learning style, schedule, and experience level.

Self-Paced Learning

Self-study provides flexibility and cost-effectiveness for motivated learners. CompTIA's official study guides form a solid foundation, covering exam objectives and helping track your progress. Online practice tests help assess your knowledge, while video courses visually demonstrate complex concepts.

Practical Experience

Theory alone isn't enough – hands-on experience is vital for exam success and job readiness. Setting up a home lab allows you to experiment safely with hardware and software configurations. Consider volunteering at local organizations or seeking entry-level IT positions to gain real-world exposure. Even basic technical support roles provide valuable experience with common IT issues.

Creating Your Study Strategy

The most effective preparation combines elements from multiple approaches. Begin by assessing your current knowledge against exam objectives to identify areas needing attention. Create a realistic schedule that fits your life, typically dedicating 1-2 hours daily to study and practice.

Use practice exams to track progress, but remember that the goal extends beyond passing—you're building a foundation for your IT career. Join online communities to discuss concepts with other candidates, gain new perspectives, and reinforce your understanding.

Focus on understanding concepts thoroughly rather than rushing through material. The time invested in proper preparation will serve you well both on the exam and in your future IT roles.

Next steps after A+

Earning your A+ certification marks the beginning of your IT career journey, not the destination. As you gain experience in entry-level IT support roles, you'll likely discover specialized areas that interest you. CompTIA offers several advancement paths that naturally build upon your A+ foundation.

Many professionals move into networking by pursuing the Network+ certification. This path makes sense if you enjoy configuring network devices, troubleshooting connectivity issues, or working with different network technologies. Network+ deepens your understanding of network architecture, security, and implementation, preparing you for roles like network administrator or network support specialist.

The Security+ certification offers another compelling path. This certification validates your cybersecurity skills if you are interested in protecting systems, detecting threats, or implementing security controls. Security+ serves as a gateway to roles in information security, security analysis, and system hardening.

Cloud computing continues to reshape the IT landscape, making the Cloud+ certification increasingly valuable. This path suits those fascinated by cloud services, virtualization, and modern infrastructure management. Cloud+ prepares you for positions involving cloud deployment, maintenance, and automation.

For those drawn to open-source technologies and server administration, Linux+ provides a solid foundation in Linux systems. This certification proves particularly valuable as many enterprise systems and cloud platforms rely on Linux. It opens doors to Linux system administration, DevOps, and cloud infrastructure management roles.

Remember that these certifications aren't mutually exclusive – many IT professionals hold multiple credentials to demonstrate their broad expertise. Choose your next certification based on your career goals, current job requirements, and the technologies most interest you.