CompTIA A+ Exam Study Guide

Independent A+ study practice covering common IT support scenarios, with explanations and useful diagrams.

  • 4 Topics
  • Free, online
  • Plain-English explanations

Curriculum Structure

4 modules

  1. Module 1

    Hardware and Device Fundamentals

    Free

    Understand the purpose and compatibility of computing components, storage, peripherals, power, and device interfaces.

    Start with Module 1
  2. Module 2

    Troubleshooting and Support Decisions

    Free

    Use symptom scope, controlled comparisons, approved changes, verification, and clear support records.

  3. Module 3

    Operating Systems and Recovery

    Free

    Practice permissions, processes, services, updates, virtualization, and reliable recovery reasoning.

  4. Module 4

    Networking and Connectivity

    Free

    Trace address assignment, naming, local links, routing, wireless conditions, and application connectivity.

The Study Route

Start with the official objectives for the exam version you intend to take and map each objective to your own experience. Mark concepts you can explain, tasks you have performed in an authorized lab, and areas you have not studied. The four local topics are a study organization, so compare them with the official outline rather than assuming identical coverage.

Build a component and interface map

For hardware, separate physical form factor from electrical or protocol support. Explain what processors, memory, storage, ports, printers, and power systems do. Use manufacturer specifications for real compatibility decisions. Practice unit conversions with the assumptions written beside your calculation.

Follow data and permissions through the system

For operating systems, trace where a file is stored, who can access it, what runs in a process or service, and what happens during an update or recovery. Distinguish synchronization, snapshots, restore features, and backups. In a disposable authorized lab, rehearse a small restore and verify the actual file contents.

Localize a network symptom

Separate address assignment, name resolution, local connectivity, routing, and application behavior. Draw the path a request must follow, then identify which part each observation tests. A successful local test does not prove that a remote service works.

Practice a complete support decision

Define the symptom and scope, gather evidence, test one relevant hypothesis, make an approved controlled change, and verify the original user task. Keep an error log that names the missed concept instead of only storing the answer letter. Revisit weak topics before taking another mixed set.

This guide is for study purposes only. Always confirm current exam content and requirements with the official licensing authority in your state.

Frequently asked questions

Is this official CompTIA exam content?

No. These independently authored learning questions are not official CompTIA items and do not claim endorsement or reproduce a live examination.

Does choosing a state change the CompTIA certification?

These state routes organize access to the same general study material. They do not create a state-issued IT license or a different CompTIA certification requirement.

How should I use the explanations?

First choose an answer without reading the explanation. Then explain why the correct option fits the evidence and why the distractors do not. Record the concept behind each mistake and test it in an authorized lab or a separate scenario.

Where should I verify the current exam details?

Use the official CompTIA A+ Core 1 and Core 2 pages and their linked objectives for current versions, formats, registration, and policies. This site practice score is not the official scaled score.