CompTIA A+ is the preferred entry-level certification for IT support careers. With over 1 million certified professionals, it opens doors to help desk, field technician, and desktop support roles. This guide covers everything you need to know to pass both exams on your first attempt.
Understanding CompTIA A+
CompTIA A+ requires passing TWO separate exams:
Core 1 - Hardware & Networking
- Questions: Up to 90
- Duration: 90 minutes
- Passing Score: 675/900
- Focus: Mobile devices, networking, hardware, virtualization, cloud computing
Core 2 - Software & Security
- Questions: Up to 90
- Duration: 90 minutes
- Passing Score: 700/900
- Focus: Operating systems, security, software troubleshooting, operational procedures
Core 1 Exam Objectives
1. Mobile Devices (15%)
- Laptop hardware components and features
- Mobile device display types and characteristics
- Mobile device accessories and ports
- Network connectivity and synchronization
2. Networking (20%)
- TCP/IP fundamentals and ports
- Network hardware (routers, switches, access points)
- Wireless networking standards and security
- Network configurations and troubleshooting
3. Hardware (25%)
- Cables and connectors
- RAM types and characteristics
- Storage devices (HDD, SSD, RAID)
- Motherboards, CPUs, and power supplies
- Printers and multifunction devices
4. Virtualization and Cloud Computing (11%)
- Cloud computing concepts (IaaS, PaaS, SaaS)
- Virtual machine setup and management
- Cloud connectivity options
5. Hardware and Network Troubleshooting (29%)
- Troubleshooting methodology
- Hardware and device issues
- Network connectivity problems
Core 2 Exam Objectives
1. Operating Systems (31%)
- Windows versions and features
- Windows commands and tools
- macOS, Linux, and mobile operating systems
- OS installation and upgrade procedures
2. Security (25%)
- Physical security measures
- Malware types and detection
- Social engineering attacks
- Windows security settings
- Mobile device security
3. Software Troubleshooting (22%)
- Windows OS problems
- Application crashes and installation issues
- Mobile OS and application issues
- Security-related symptoms
4. Operational Procedures (22%)
- Documentation best practices
- Change management
- Backup and recovery
- Safety and environmental procedures
- Communication skills and professionalism
Study Plan: 2-4 Month Timeline
Weeks 1-4: Core 1 Fundamentals
- Study hardware components and connectors
- Learn networking fundamentals and TCP/IP
- Understand mobile device components
- Practice with virtual machines
- Take Core 1 practice tests
Weeks 5-6: Core 1 Exam Prep
- Review troubleshooting methodology
- Practice hardware troubleshooting scenarios
- Review weak areas from practice tests
- Take and pass Core 1 exam
Weeks 7-10: Core 2 Fundamentals
- Master Windows OS features and commands
- Study security concepts and best practices
- Learn Linux and macOS basics
- Practice command-line operations
Weeks 11-12: Core 2 Exam Prep
- Focus on software troubleshooting
- Review operational procedures
- Take full-length practice exams
- Take and pass Core 2 exam
Pro Tip: Hands-On Practice
Build a practice PC if possible. Disassemble and reassemble components, install operating systems, configure networks, and troubleshoot real problems. Hands-on experience dramatically improves retention and exam performance.
Essential Topics to Master
Port Numbers
Know these common ports:
- FTP: 20, 21
- SSH: 22
- Telnet: 23
- SMTP: 25
- DNS: 53
- HTTP: 80, HTTPS: 443
- POP3: 110, IMAP: 143
- RDP: 3389
Troubleshooting Methodology
- Identify the problem
- Establish a theory of probable cause
- Test the theory to determine cause
- Establish a plan of action
- Implement the solution
- Verify full system functionality
- Document findings and actions
Exam Day Strategies
- Skip PBQs (Performance-Based Questions) at the start—do them last
- Read questions carefully for key words
- Eliminate obviously wrong answers first
- Manage your time (about 1 minute per question)
- Review flagged questions if time permits
Frequently Asked Questions
How long should I study for CompTIA A+?
Most beginners need 2-4 months of study time for both exams combined. Those with IT experience may need less. Plan for about 60-120 total study hours across both exams.
What is the CompTIA A+ exam format?
CompTIA A+ requires passing two exams: Core 1 and Core 2. Each exam has up to 90 questions and 90 minutes. Question types include multiple-choice and performance-based questions. Passing scores are 675/900 for Core 1 and 700/900 for Core 2.
Is CompTIA A+ difficult for beginners?
CompTIA A+ is designed as an entry-level certification and is achievable for beginners with proper preparation. The key is understanding both theory and practical troubleshooting scenarios. Hands-on practice significantly improves pass rates.
How much do the CompTIA A+ exams cost?
Each CompTIA A+ exam costs $246 USD, so the total cost for both exams is $492. Look for exam voucher bundles or student discounts to save money.
Which exam should I take first?
Most people take Core 1 first since it covers hardware and networking fundamentals. However, you can take them in any order, and you have 3 years to pass both exams.