CompTIA Tech+ Study Guide (2026)

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

This CompTIA Tech+ 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.

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What should you study for the CompTIA Tech+ exam?

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

  • IT Concepts and Terminology: Covers fundamental IT concepts including notational systems, data types, units of measure, and IT troubleshooting basics.
  • Infrastructure: Covers computing devices, networking concepts, cloud computing, and the Internet of Things.
  • Applications and Software: Covers types of software, operating systems, application software, and software management.
  • Software Development Concepts: Covers foundational software development concepts including programming paradigms, version control, and the software development lifecycle.
  • Database Fundamentals: Covers database concepts, database management systems, and structured vs unstructured data.
  • Security: Covers security threats, security concepts, best practices for securing devices and data, and privacy principles.

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

CompTIA Tech+ Exam Syllabus and Topics

The CompTIA Tech+ exam is divided into 6 domains. Each domain tests specific skills and contributes to your overall score.

IT Concepts and Terminology

Covers fundamental IT concepts including notational systems, data types, units of measure, and IT troubleshooting basics.

17%
Weight
13
Questions
13
Marks

Notational Systems

  • Binary, decimal, hexadecimal
  • Data conversion between systems

Fundamental Data Types and Units

  • Text, numbers, images, audio, video data types
  • Storage units (bits, bytes, KB, MB, GB, TB)
  • Bandwidth units

Troubleshooting Methodology

  • Problem identification
  • Root cause analysis
  • Documenting and preventing recurrence

Infrastructure

Covers computing devices, networking concepts, cloud computing, and the Internet of Things.

22%
Weight
16
Questions
16
Marks

Computing Devices

  • Desktop, laptop, mobile device types
  • Servers and storage devices
  • Input/output devices
  • Ports and connectors

Networking

  • Network types (LAN, WAN, WLAN)
  • Network hardware (routers, switches, access points)
  • IP addressing basics
  • Network protocols overview

Cloud Computing

  • Cloud service models (IaaS, PaaS, SaaS)
  • Public, private, hybrid cloud
  • Cloud storage and computing concepts

Internet of Things

  • IoT device types and use cases
  • IoT connectivity and protocols
  • Security considerations for IoT

Applications and Software

Covers types of software, operating systems, application software, and software management.

18%
Weight
14
Questions
14
Marks

Operating Systems

  • Windows, macOS, Linux, mobile OS overview
  • OS functions and components
  • File systems and management

Application Software

  • Productivity software
  • Collaboration tools
  • Utility software
  • Web browsers and plugins

Software Management

  • Software licensing types
  • Application installation and updates
  • Virtualization concepts

Software Development Concepts

Covers foundational software development concepts including programming paradigms, version control, and the software development lifecycle.

12%
Weight
9
Questions
9
Marks

Programming Concepts

  • Programming and scripting language types
  • Object-oriented vs procedural programming
  • Variables, loops, and conditional logic

Software Development Lifecycle

  • SDLC phases
  • Agile vs Waterfall overview
  • Testing types in development

Version Control

  • Purpose of version control
  • Basic Git concepts

Database Fundamentals

Covers database concepts, database management systems, and structured vs unstructured data.

11%
Weight
8
Questions
8
Marks

Database Types and Concepts

  • Relational vs non-relational databases
  • Tables, records, fields, and keys
  • SQL basics (SELECT, INSERT, UPDATE, DELETE)

Database Administration

  • Backup and recovery basics
  • Data integrity concepts
  • Database roles and access

Security

Covers security threats, security concepts, best practices for securing devices and data, and privacy principles.

20%
Weight
15
Questions
15
Marks

Security Threats and Vulnerabilities

  • Malware types (virus, ransomware, spyware, adware)
  • Social engineering (phishing, vishing, pretexting)
  • Network attacks overview

Security Best Practices

  • Password management and MFA
  • Software updates and patching
  • Data encryption basics
  • Physical security

Privacy and Compliance

  • Data privacy principles (PII, PHI)
  • GDPR overview
  • Acceptable use policies
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Learning Progress

IT Concepts and Terminology 85%
Infrastructure 92%

Practice Test Scores

95%
Latest Score
Above passing threshold

Frequently Asked Questions