CompTIA A+ Study Guide (2026)

CompTIA A+ Study Guide 2026 – Pass on Your First Attempt

This CompTIA A+ study guide covers all exam domains, key concepts, and real exam-style scenarios to help you pass on your first attempt. Learn what topics matter most, avoid common mistakes, and follow a structured plan based on the official exam blueprint.

Edureify AI helps you identify your strengths and weak areas using real exam-style questions, detailed explanations, and domain-level analysis. Get a personalized study plan, track your progress, and focus only on what will improve your CompTIA A+ exam score.

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What should you study for the CompTIA A+ exam?

To pass the CompTIA A+ certification exam, you should focus on:

  • Mobile Devices: Understanding mobile devices and their configuration, management, and troubleshooting.
  • Networking: Understanding network configurations, technologies, and troubleshooting network issues.
  • Hardware: Understanding and troubleshooting computer hardware components and peripherals.
  • Virtualization and Cloud Computing: Understanding the concepts of cloud computing and virtualization technologies.
  • Operating Systems: Understanding and managing operating systems, including installation, configuration, and troubleshooting.
  • Security: Understanding security fundamentals to protect computer systems and networks.
  • Troubleshooting and Operational Procedures: Understanding troubleshooting methodologies and best practices for IT operations.

The exam tests your ability to apply concepts in real scenarios, not just memorize definitions.

CompTIA A+ Exam Syllabus and Topics

The CompTIA A+ exam is divided into 7 domains. Each domain tests specific skills and contributes to your overall score.

Mobile Devices

Understanding mobile devices and their configuration, management, and troubleshooting.

15%
Weight
14
Questions
70
Marks

Laptop Components

  • Laptop Display Types
  • Laptop Storage and Components
  • Mobile Device Operating Systems

Mobile Device Networking and Security

  • Mobile Device Network Configurations
  • Mobile Device Security and Encryption
  • Troubleshooting Mobile Devices

Networking

Understanding network configurations, technologies, and troubleshooting network issues.

20%
Weight
18
Questions
90
Marks

TCP/IP and OSI Models

  • TCP/IP Layer Functions
  • OSI Model Layers
  • IP Addressing and Subnetting

Wired and Wireless Networks

  • Ethernet and Wi-Fi Configurations
  • Router and Switch Basics
  • Wireless Security Protocols

Common Network Issues

  • DNS and DHCP Troubleshooting
  • Connectivity Issues
  • Network Speed Issues

Hardware

Understanding and troubleshooting computer hardware components and peripherals.

25%
Weight
23
Questions
115
Marks

Motherboards and Processors

  • Processor Types and Socket Types
  • Motherboard Components and Slots
  • Installing RAM and Storage

Peripheral Devices

  • Printers and Scanners
  • Monitors and Displays
  • Input Devices and Ports

Common Hardware Issues

  • Troubleshooting Power Supply Issues
  • Hard Drive and Memory Diagnostics
  • Printer Troubleshooting

Virtualization and Cloud Computing

Understanding the concepts of cloud computing and virtualization technologies.

12%
Weight
11
Questions
55
Marks

Cloud Storage and Services

  • Types of Cloud Services
  • Cloud Storage Solutions
  • Virtual Machines and Cloud Instances

Virtualization Basics

  • Hypervisors and Virtualization Types
  • Benefits of Virtualization
  • Configuring Virtual Machines

Operating Systems

Understanding and managing operating systems, including installation, configuration, and troubleshooting.

20%
Weight
18
Questions
90
Marks

Windows Installation and Configuration

  • Installing Windows OS
  • Disk Partitioning and File Systems
  • Windows Setup and Security

Linux and macOS Fundamentals

  • Linux File System and Permissions
  • macOS Installation and Configuration
  • Managing Linux and macOS User Accounts

Windows Troubleshooting

  • Windows Safe Mode and Recovery
  • Windows Boot Configuration
  • Driver Issues

Linux and macOS Troubleshooting

  • Linux System Logs
  • macOS Disk Utility
  • Terminal Commands for Troubleshooting

Security

Understanding security fundamentals to protect computer systems and networks.

8%
Weight
7
Questions
35
Marks

Types of Security Threats

  • Viruses, Malware, and Ransomware
  • Phishing and Social Engineering
  • Physical Security Measures

Security Measures and Protocols

  • Antivirus Software
  • Firewalls and Encryption
  • Securing Network Connections

Troubleshooting and Operational Procedures

Understanding troubleshooting methodologies and best practices for IT operations.

20%
Weight
18
Questions
90
Marks

General Troubleshooting Process

  • Troubleshooting Steps and Tools
  • Escalation Procedures
  • Effective Problem Solving

Safety and Best Practices

  • Personal Safety Procedures
  • Environmental Hazards
  • Handling Sensitive Equipment

IT Operational Best Practices

  • Customer Service Skills
  • IT Documentation and Inventory Management
  • Maintenance and Patch Management
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Learning Progress

Mobile Devices 85%
Networking 92%

Practice Test Scores

95%
Latest Score
Above passing threshold

Frequently Asked Questions