comptia a+ guide to it technical support
CompTIA A+ Guide to IT Technical Support: An Overview (Updated 12/20/2025)
CompTIA A+ is the industry standard for launching an IT career, appearing in numerous job postings. Passing Core 1 (220-1201) and Core 2 (220-1202) validates essential skills.
What is the CompTIA A+ Certification?
The CompTIA A+ certification is globally recognized as the foundational stepping stone for individuals embarking on an Information Technology career path. Issued by the Computing Technology Industry Association (CompTIA), a leading vendor-neutral certification body, it validates the essential skills required to work effectively with computers, mobile devices, network infrastructure, and diverse operating systems.

Unlike certifications tied to specific vendors, CompTIA A+ maintains a vendor-neutral stance, ensuring that certified professionals possess a broad understanding applicable across various technologies and environments. This broad skillset is highly valued by employers seeking adaptable and versatile IT support personnel.
To achieve A+ certification, candidates must successfully pass two exams: the Core 1 (220-1201) and the Core 2 (220-1202) exams; These exams comprehensively assess a candidate’s knowledge and practical abilities in areas such as hardware, networking, operating systems, security, troubleshooting, and mobile device support, with a growing emphasis on supporting a modern, hybrid workforce.
Why is CompTIA A+ Important for IT Support Roles?
The CompTIA A+ certification is demonstrably important for IT support roles, frequently appearing in more tech support job listings than any other IT credential. Employers actively seek A+ certified professionals because the certification validates a foundational skillset crucial for success in entry-level and operational IT positions.

Holding an A+ certification signals to potential employers that a candidate possesses the core competencies needed to perform essential tasks such as diagnosing and resolving hardware and software issues, configuring network connectivity, securing systems, and providing excellent customer support. It demonstrates a commitment to professional development and a baseline level of technical proficiency.
Furthermore, CompTIA A+ is compliant with ISO 17024 standards and is approved by the U.S. Department of Defense (DoD) to meet Directive 8140.03M requirements. This DoD compliance makes it a valuable asset for individuals seeking employment within government and defense-related IT roles, broadening career opportunities significantly.
CompTIA A+ Core 1 (220-1201) Exam Details
The CompTIA A+ Core 1 (220-1201) exam is the first step towards achieving A+ certification, focusing on fundamental hardware and networking concepts. This exam assesses a candidate’s ability to perform tasks related to mobile devices, networking, hardware, virtualization and cloud computing.
Core 1 covers a broad range of topics, including identifying, using, and maintaining PC, mobile, and network hardware and technologies. Key areas include troubleshooting CPU components, understanding RAM, storage devices, and optical drives, as well as configuring network settings and implementing basic network security measures; It also delves into the basics of cloud concepts and virtualization.
The exam format consists of maximum 90 questions, utilizing multiple-choice and performance-based questions. Candidates are allotted 90 minutes to complete the exam. Passing Core 1, along with Core 2, demonstrates a solid foundation in essential IT support skills, making candidates highly competitive in the job market.

CompTIA A+ Core 2 (220-1202) Exam Details

The CompTIA A+ Core 2 (220-1202) exam builds upon the foundation established by Core 1, concentrating on operating systems, security, software troubleshooting, and operational procedures. This exam validates a candidate’s skills in configuring and managing operating systems, securing systems and data, and troubleshooting common software issues.

Core 2 delves into topics like installing and configuring Windows, macOS, Linux, and mobile operating systems. It also covers essential security concepts, including malware removal, vulnerability assessment, and data protection. Furthermore, the exam assesses a candidate’s ability to troubleshoot software problems, implement operational best practices, and understand disaster recovery principles.
Similar to Core 1, the exam consists of a maximum of 90 questions, employing multiple-choice and performance-based questions. Candidates have 90 minutes to complete the exam. Successfully passing both Core 1 and Core 2 signifies a comprehensive understanding of IT fundamentals and prepares individuals for entry-level IT support roles.
Exam Objectives: Core 1 — Hardware and Networking
The CompTIA A+ Core 1 (220-1201) exam focuses heavily on hardware, networking, and mobile devices, forming the bedrock of IT support knowledge. This section assesses a candidate’s ability to assemble, disassemble, troubleshoot, and maintain computer hardware components, including CPUs, motherboards, RAM, and storage devices.
Networking concepts are central to Core 1, covering network topologies, protocols (TCP/IP, DNS), and common networking hardware like routers and switches. Candidates will be tested on their understanding of wireless networking, including security protocols like WPA2 and WPA3. Mobile device troubleshooting, encompassing both iOS and Android platforms, is also a significant component.
Furthermore, the exam evaluates skills in identifying and resolving hardware failures, understanding preventative maintenance procedures, and implementing basic network configurations. It’s crucial to grasp concepts like cabling, virtualization, and cloud computing basics. Mastering these objectives demonstrates a solid foundation for tackling more complex IT challenges.
Exam Objectives: Core 2 ─ Operating Systems and Security
The CompTIA A+ Core 2 (220-1202) exam delves into operating systems, software troubleshooting, security, and operational procedures, building upon the hardware foundation of Core 1. A significant portion assesses proficiency with Windows, macOS, Linux, and mobile operating systems, including installation, configuration, and troubleshooting.
Security is paramount in Core 2, covering topics like malware removal, security best practices, and data protection methods. Candidates must demonstrate understanding of common security threats, vulnerability management, and implementing security controls. Software troubleshooting skills are also heavily tested, focusing on identifying and resolving software conflicts and errors.
Operational procedures, including disaster recovery, change management, and scripting, are crucial components. The exam also evaluates skills in cloud computing concepts, virtualization technologies, and remote access solutions. Successfully navigating these objectives showcases a well-rounded skillset essential for modern IT support professionals, prepared to handle diverse operational challenges.
Prerequisites for CompTIA A+ Certification
Unlike many IT certifications, CompTIA A+ has no formal prerequisites. This makes it an excellent entry point for individuals beginning their IT careers, or those looking to formally validate existing skills. However, possessing a foundational understanding of computer hardware, software, networking concepts, and basic troubleshooting techniques is highly recommended for success.
While not mandatory, CompTIA suggests approximately 900 hours of hands-on experience in IT support roles. This practical experience can be gained through formal education, on-the-job training, or self-study involving building and maintaining computer systems. Familiarity with common operating systems like Windows, macOS, and Linux will prove beneficial.

Candidates should be comfortable with basic command-line operations, network configurations, and security principles. Though not required, completing a CompTIA IT Fundamentals+ course can provide a solid base. Ultimately, dedication to learning and a willingness to troubleshoot are the most important prerequisites for achieving A+ certification.
Cost of CompTIA A+ Exams and Certification
The cost of obtaining CompTIA A+ certification involves expenses for the two required exams: Core 1 (220-1201) and Core 2 (220-1202). As of late 2025, each exam typically costs $242 USD, bringing the total exam fee to $484. These prices are subject to change based on location and promotional offers.
Beyond the exam vouchers, consider additional costs for study materials. Options range from official CompTIA study guides (around $100-$200 each) to third-party books, online courses, and practice exams; These resources can add another $100-$500 to the overall investment, depending on the chosen method.
Retake vouchers are available if you don’t pass an exam on the first attempt, but they come at an additional cost. Budgeting for potential retakes is prudent. Finally, factor in potential costs for practice labs or virtual environments to gain hands-on experience. Overall, expect to invest between $600 and $1000 to achieve CompTIA A+ certification.
Registration Process for CompTIA A+ Exams
Registering for the CompTIA A+ Core 1 (220-1201) and Core 2 (220-1202) exams is done through Pearson VUE, CompTIA’s official testing partner. First, create a Pearson VUE account at pearsonvue.com/comptia. You’ll need to provide personal information and create a username and password.
Once your account is set up, you can schedule your exam. Select the desired exam (Core 1 or Core 2), choose a testing center location, and select a date and time that suits your schedule. Availability varies, so book in advance. You’ll need to purchase an exam voucher before scheduling; these can be bought directly from CompTIA or authorized resellers.
During registration, you’ll agree to the CompTIA exam policies. On exam day, arrive at the testing center with a valid photo ID. The testing center will provide instructions and ensure a secure testing environment. After completing the exam, you’ll receive preliminary results immediately, with official results available in your Pearson VUE account within a few business days.
Recommended Study Resources for Core 1
Preparing for the CompTIA A+ Core 1 (220-1201) exam requires a comprehensive study plan. CompTIA offers official study guides and practice tests, providing a solid foundation of the exam objectives. These resources are often considered essential for success.
Beyond official materials, numerous third-party resources are available. Mike Meyers’ CompTIA A+ Certification Passport and All-in-One Exam Guide are popular choices, known for their detailed explanations and practical examples. Professor Messer offers free video training courses on his website and YouTube channel, covering all Core 1 objectives.
Practice exams are crucial for gauging your readiness. MeasureUp and Kaplan offer realistic practice tests that simulate the exam environment. Flashcards, like those available on Quizlet, can help memorize key terms and concepts. Consider joining online study groups and forums to collaborate with other candidates and share knowledge. Consistent study and utilizing a variety of resources will maximize your chances of passing Core 1.

Recommended Study Resources for Core 2
Successfully tackling the CompTIA A+ Core 2 (220-1202) exam demands focused preparation. CompTIA’s official study guides and practice tests remain a cornerstone for understanding the exam’s scope and objectives. These resources directly align with the tested material, ensuring comprehensive coverage.
Supplementing official materials, several third-party options prove valuable. Mike Meyers’ CompTIA A+ Certification Passport and All-in-One Exam Guide continue to be highly recommended, offering in-depth explanations and real-world scenarios. Professor Messer’s free video series provides accessible and thorough instruction on all Core 2 topics.
Utilizing practice exams is vital for self-assessment. MeasureUp and Kaplan provide simulated exam experiences, helping you identify areas for improvement. Flashcards, available on platforms like Quizlet, aid in memorizing crucial concepts and terminology. Engaging with online communities and study groups fosters collaborative learning and knowledge sharing. A consistent, multi-faceted approach significantly increases your likelihood of passing Core 2.
Preparing for a Hybrid Workforce: Key Skills
The modern IT landscape increasingly embraces hybrid work models, demanding specific skillsets from support professionals. CompTIA A+ certification now emphasizes technologies supporting remote access, cloud computing, and virtual collaboration tools. Proficiency in configuring and troubleshooting VPNs, remote desktop applications, and VoIP systems is crucial.
Understanding security protocols is paramount in a hybrid environment. This includes securing wireless networks, implementing multi-factor authentication, and educating users about phishing and social engineering threats. Familiarity with endpoint management solutions, like Mobile Device Management (MDM), is also essential for managing and securing devices accessing company resources remotely.
Strong communication and problem-solving skills are vital for supporting a geographically dispersed workforce. IT pros must effectively diagnose issues remotely, provide clear instructions, and maintain a high level of customer service. Adaptability and a willingness to learn new technologies are key to thriving in this evolving work paradigm.
Troubleshooting Methodologies for IT Support
Effective IT support hinges on a systematic troubleshooting approach. The CompTIA A+ curriculum emphasizes a structured methodology to efficiently diagnose and resolve technical issues. A common approach begins with identifying the problem – gathering information from the user and documenting symptoms precisely.
Next, establish a theory of probable cause. This involves utilizing knowledge of hardware, software, and networking to formulate potential solutions. Testing the theory is crucial; implement one change at a time and observe the results. Always document each step taken, whether successful or not, for future reference and escalation.
Implement the solution and verify full functionality with the user. If the initial solution fails, revert the changes and revisit the theory stage. Employing tools like event logs, command-line utilities, and network analyzers aids in pinpointing root causes. A logical, methodical approach minimizes downtime and maximizes user satisfaction.
Understanding DoD 8140.03M Compliance

DoD 8140.03M establishes cybersecurity workforce management standards for the U.S. Department of Defense. This directive mandates specific skillsets and certifications for personnel handling privileged information systems. CompTIA A+ certification is specifically approved by the DoD to meet these requirements, making it a valuable credential for individuals seeking roles within the defense sector.
The directive categorizes cybersecurity roles based on skill levels, from basic to expert. CompTIA A+ typically aligns with foundational roles, demonstrating competency in fundamental IT support and security principles. Achieving this certification validates a candidate’s knowledge of hardware, software, networking, and security best practices, all crucial for maintaining a secure IT environment.
For those pursuing careers within the DoD or working with DoD contractors, possessing a CompTIA A+ certification can significantly enhance employment opportunities and career advancement prospects. It demonstrates a commitment to cybersecurity standards and a foundational understanding of IT security principles.
Vendor-Neutral Certification Benefits
CompTIA A+ stands out as a vendor-neutral certification, offering significant advantages in today’s diverse IT landscape. Unlike certifications tied to specific products or vendors, A+ validates skills applicable across a wide range of hardware, software, and operating systems. This broad applicability makes certified professionals highly versatile and adaptable to various IT environments.
Employers often prefer vendor-neutral certifications because they demonstrate a foundational understanding of IT concepts, rather than expertise limited to a single brand. This ensures that certified individuals can effectively support a mixed IT infrastructure, common in most organizations. It also reduces the need for constant retraining when new technologies are adopted.
Furthermore, a vendor-neutral certification like CompTIA A+ provides a solid base for pursuing more specialized certifications later on. It establishes a strong foundation of IT knowledge, making it easier to learn and adapt to vendor-specific technologies. This flexibility is invaluable in the ever-evolving world of IT.
Career Paths with CompTIA A+ Certification
Holding a CompTIA A+ certification opens doors to a variety of entry-level IT positions, serving as a crucial stepping stone for a successful IT career. Common roles include Help Desk Technician, where you’ll provide first-line technical support to end-users, resolving hardware and software issues remotely or on-site.
Another popular path is Field Service Technician, involving on-location repairs and maintenance of computer systems and peripherals. Desktop Support Technician roles focus on maintaining and troubleshooting desktop computers, laptops, and associated software within an organization. IT Support Specialist positions offer broader responsibilities, encompassing a wider range of IT tasks.
Beyond these core roles, A+ certification can also lead to opportunities in System Administrator positions (with further training), Network Support, and even cybersecurity entry points. The certification demonstrates a commitment to IT professionalism and a foundational skillset highly valued by employers, significantly boosting career prospects and earning potential.
