A+ Study Guide

Why CompTIA A+ Is the IT Career Launchpad

With over 9,800 active job postings requiring A+ certification, this credential is the universal entry point for IT careers. From help desk to systems administration, A+ proves you have foundational IT competency. It remains the single most requested certification for entry-level IT positions across the United States, and its broad coverage of hardware, software, networking, and security concepts makes it the most versatile starting credential available.

Who This Guide Is For

• Career changers entering IT without prior experience
• Recent graduates seeking first IT position
• Military veterans transitioning to civilian IT roles
• Self-taught technicians formalizing their skills

2026 Market Snapshot

The A+ certification dominates the entry-level IT job market in 2026. According to our live A+ market data, the certification currently tracks approximately 9,800-10,700 active job postings per week—making it one of the most in-demand credentials across all IT categories. The average salary for A+-certified professionals is approximately $62,000, with experienced technicians in major metro areas earning upward of $70,000.

Several factors are sustaining this exceptional demand. The ongoing expansion of IT support teams in healthcare, finance, and education continues to create a high volume of help desk and desktop support positions. The shift to hybrid work has increased the need for on-site and remote support technicians who can troubleshoot a wide range of hardware and software issues. Additionally, A+ remains a DoD 8570/8140 approved certification at IAT Level I, ensuring a consistent pipeline of government and defense contractor roles that list it as a mandatory requirement.

For professionals planning their career trajectory, A+ serves as the foundation for the CompTIA certification pathway. Pairing it with CompTIA Network+ opens doors to dedicated networking roles, while adding CompTIA Security+ builds toward cybersecurity positions. Those who want to move into Cisco-specific networking can use the networking fundamentals from Core 1 as a springboard toward the CCNA.

The Two-Exam Structure

CompTIA A+ requires passing two separate exams.

Exam 220-1101 (Core 1): Hardware & Networking

Exam 220-1102 (Core 2): Software & Operations

Exam Format (Both)

• 90 questions maximum
• 90 minutes per exam
• Performance-based questions + multiple choice
• Passing score: 700/900

Core 1: Hardware & Networking Deep Dive

Mobile Devices (15%)

Laptop Components:

• Memory and storage upgrades
• Display types (LCD, OLED)
• Input devices and expansion ports
• Battery management

Mobile Device Features:

• iOS vs. Android configuration
• Email and network setup
• Mobile synchronization
• Mobile security settings

Networking (20%)

Network Types:

• LAN, WAN, MAN, PAN
• Wired vs. wireless
• Client-server vs. peer-to-peer

TCP/IP Fundamentals:

• IPv4 addressing and subnetting
• Common ports (80, 443, 21, 22, 25, 53, 3389)
• DNS, DHCP, NAT

Networking Hardware:

• Routers, switches, access points
• Firewalls and modems
• Cable types (Cat5e, Cat6, fiber)

Hardware (25%)

Motherboard Components:

• Form factors (ATX, Micro-ATX, ITX)
• Expansion slots (PCIe)
• Connectors (SATA, M.2, USB headers)

Processors and Memory:

• CPU sockets and cooling
• RAM types (DDR4, DDR5)
• Compatibility considerations

Storage:

• HDD vs. SSD vs. NVMe
• RAID configurations
• Interface types

Power Supplies:

• Wattage calculations
• Connector types (24-pin, EPS, PCIe)
• Efficiency ratings

Virtualization & Cloud (11%)

Virtualization Concepts:

• Purpose of virtual machines
• Resource requirements
• Hypervisor types

Cloud Computing:

• IaaS, PaaS, SaaS models
• Public, private, hybrid clouds
• Cloud characteristics (elasticity, on-demand)

Hardware Troubleshooting (29%)

This is the largest domain. Master systematic troubleshooting.

Troubleshooting Methodology:

1. Identify the problem
2. Establish a theory
3. Test the theory
4. Establish a plan of action
5. Verify functionality
6. Document findings

Common Issues:

• Boot failures and POST codes
• Display problems
• Power issues
• Network connectivity

Core 2: Software & Operations Deep Dive

Operating Systems (31%)

Windows:

• Installation and upgrade paths
• Control Panel vs. Settings
• System utilities (msconfig, Task Manager)
• Command line tools (ipconfig, ping, sfc)

macOS:

• System Preferences
• Disk Utility
• Finder features
• Time Machine

Linux:

• Basic commands (ls, cd, grep, chmod)
• File system hierarchy
• Package management basics

Security (25%)

Physical Security:

• Access controls (badging, mantraps)
• Equipment security
• Physical locks

Logical Security:

• User authentication methods
• NTFS permissions
• Encryption (BitLocker, FileVault)
• Malware types and removal

Wireless Security:

• WPA2/WPA3
• SSID configuration
• MAC filtering

Software Troubleshooting (22%)

Windows Troubleshooting:

• Boot issues and recovery options
• Application crashes
• BSoD diagnosis
• Performance optimization

Browser and Application Issues:

• Cache and cookie problems
• Certificate errors
• Add-on conflicts

Operational Procedures (22%)

Best Practices:

• Change management processes
• Documentation importance
• Backup strategies (3-2-1 rule)

Safety:

• ESD prevention
• Proper lifting techniques
• Electrical safety

Professionalism:

• Communication skills
• Dealing with difficult customers
• Privacy and confidentiality

The 12-Week Study Plan

Weeks 1-2: Mobile & Basic Networking

• Laptop and mobile device components
• Network fundamentals
• TCP/IP basics
• 50 Core 1 practice questions

Study technique: Start with Professor Messer’s free A+ video series as your primary lecture resource, and use the Mike Meyers All-in-One Exam Guide as a supplementary reference. During these first two weeks, focus on building a visual vocabulary of hardware components—watch teardown videos of laptops and mobile devices, and practice identifying components by sight. For the networking section, create flashcards for common ports and protocols, drilling them for 10 minutes at the start of each study session. Allocate approximately 10-12 hours per week.

Weeks 3-4: Hardware Deep Dive

• Internal computer components
• Peripherals and connectors
• Printer technologies
• Build or disassemble a PC if possible

Study technique: This is where hands-on practice becomes critical. If you have access to old hardware, disassemble and reassemble a desktop PC at least twice, identifying every component and connector as you work. If you lack hardware access, use virtual labs or detailed teardown videos to build the same familiarity. Pay particular attention to RAID configurations and power supply connector types—these are frequently tested and easy to confuse. Build a personal reference sheet of form factors, RAM types, and interface specifications that you review before each study session.

Weeks 5-6: Cloud, Virtualization & Core 1 Troubleshooting

• Cloud computing concepts
• VM basics
• Hardware troubleshooting methodology
• First Core 1 practice exam

Study technique: Install VirtualBox or VMware Workstation Player (both free) and create at least two virtual machines—one Windows, one Linux. This hands-on experience directly addresses both the Virtualization domain and gives you a practical environment for later Core 2 study. For the Troubleshooting domain, practice applying the six-step methodology to realistic scenarios. Take your first full Core 1 practice exam at the end of week 6 and use the results to target weak areas.

Week 7: Core 1 Final Review & Exam

• Additional practice exams
• Weak area review
• Take Core 1 exam

Weeks 8-9: Operating Systems

• Windows installation and configuration
• macOS and Linux basics
• Command line proficiency
• 50 Core 2 practice questions

Study technique: Use your virtual machines from weeks 5-6 to practice Windows and Linux commands hands-on. Focus on the command line tools that are most commonly tested: ipconfig, ping, tracert, sfc, chkdsk, gpupdate, and their Linux equivalents. Practice navigating the Windows Control Panel and Settings app side by side, as the exam frequently tests which tool handles which configuration task. Dedicate at least two full study sessions to Linux basics, focusing on file permissions (chmod), directory navigation, and package management.

Weeks 10-11: Security & Software Troubleshooting

• Security concepts and implementation
• Malware identification and removal
• OS troubleshooting techniques
• Practice exam

Week 12: Operational Procedures & Core 2 Exam

• Best practices review
• Safety and professionalism
• Take Core 2 exam

Performance-Based Questions (PBQs)

Both exams include hands-on simulations.

Common PBQ Scenarios

Core 1:

• Configure wireless router settings
• Connect appropriate cables
• Configure mobile device email
• Troubleshoot network issues

Core 2:

• Use command line for troubleshooting
• Configure Windows settings
• Set up security parameters
• Partition and format drives

PBQ Strategy

1. Skip initially. Complete multiple choice first
2. Read all instructions. Missing requirements costs points
3. Partial credit exists. Attempt everything
4. Manage time. Don’t spend 20 minutes on one PBQ

Hands-On Practice Recommendations

If You Have Hardware Access

• Build a PC from components
• Disassemble and reassemble laptops
• Connect various cable types
• Configure a home router

If You Don’t Have Hardware

• Watch teardown videos
• Use TestOut or similar simulators
• Practice with virtual machines
• Configure VM networking

Operating System Practice

• Install Windows in a VM
• Explore Control Panel and Settings
• Practice command line tools
• Set up file permissions

Study Resources

Official Materials

• CompTIA CertMaster Learn + Labs
• CompTIA A+ Certification All-in-One Exam Guide

Third-Party Resources

• Professor Messer’s A+ Course (free videos)
• Mike Meyers’ A+ Guide
• Jason Dion’s Practice Exams

Hands-On Labs

• TestOut PC Pro
• CompTIA Labs
• Home lab with spare hardware

Career Impact

Immediate Benefits

• Entry-Level Access: Help Desk, Desktop Support
• Salary Range: $35,000-$55,000 starting
• DoD Compliance: Meets IAT Level I requirements

Career Pathways After A+

Technical Track:

• A+ → Network+ → Security+ → CySA+

System Administration:

• A+ → Server+ → Microsoft certs

Specialization:

• Cloud: AWS/Azure certifications
• Security: Security+ → CISSP path

Common First Roles

• IT Support Technician
• Help Desk Analyst
• Desktop Support Specialist
• Field Service Technician

Common Mistakes to Avoid

1. Underestimating the breadth. A+ covers a LOT of material
2. Skipping Core 1 hands-on practice. Know real hardware
3. Ignoring command line. Core 2 tests CLI knowledge
4. Memorizing without understanding. Know the troubleshooting methodology

Frequently Asked Questions

Is CompTIA A+ worth it in 2026 for someone with no IT experience? A+ remains the most effective entry point into IT for career changers in 2026. Our live A+ market data shows nearly 10,000 active job postings per week that reference the certification, and it is the most frequently listed requirement in help desk and desktop support job descriptions. For candidates without a computer science degree or prior IT work experience, A+ provides the structured credentialing that gets resumes past applicant tracking systems and onto hiring managers’ desks.

Should I take Core 1 and Core 2 together or separately? Most successful candidates take the exams separately, with Core 1 first. The 12-week study plan in this guide schedules Core 1 at week 7 and Core 2 at week 12, which allows you to focus deeply on each exam’s unique material. Taking them simultaneously requires studying twice the content at once and increases the risk of failing one or both. The only scenario where scheduling them close together makes sense is if you have strong existing IT experience and are using A+ primarily for formal credential validation.

What should I study after A+ to advance my career? The most common next step is CompTIA Network+, which builds directly on the networking fundamentals covered in Core 1 and opens doors to network administrator roles. If you are more interested in cybersecurity, CompTIA Security+ is an excellent choice and pairs with A+ to meet DoD 8570 requirements at multiple IAT levels. For candidates who want to move into dedicated networking with a vendor-specific focus, the Cisco CCNA is the standard next credential, though it requires a deeper commitment to routing and switching concepts.

How long does A+ certification last, and how do I keep it current? A+ is valid for three years from the date you pass the second exam. CompTIA offers several renewal paths: earn 20 Continuing Education Units (CEUs), pass a higher-level CompTIA certification (Network+, Security+, etc.), or participate in CompTIA-approved training activities. The annual renewal fee is $25. Many professionals use the three-year window to earn Network+ or Security+, which automatically renews the A+ credential while advancing their career.

Can I get a job with just A+ and no degree? Yes. Many help desk, desktop support, and field technician roles list A+ as a primary qualification and do not require a college degree. Employers in these roles prioritize demonstrated technical competency and customer service skills over formal education. That said, pairing A+ with practical experience—even self-directed homelab projects or volunteer IT work—significantly strengthens your candidacy. Building a portfolio of troubleshooting scenarios you have resolved, whether in a lab or real environment, gives you concrete examples to discuss in interviews.

The Bottom Line

CompTIA A+ requires commitment—two exams, $492 in fees, and 3+ months of study. But it’s the most recognized entry point into IT careers.

Focus on the troubleshooting methodology, practice with real hardware when possible, and commit to the study plan. Your IT career starts with A+.