How to Study for CompTIA A+

Understand what A+ actually tests

CompTIA A+ is the entry-level credential for IT support and desktop roles. It's split into two exams (commonly Core 1 and Core 2) covering hardware, networking, mobile devices, cloud, operating systems, security, and operational procedures.

Because it's broad and shallow, the trap is treating it like a trivia test. The exam rewards understanding over memorization — why a tool is used, not just its name. Keep the official objectives open; they define exactly what's examinable.

This guide is independent and not affiliated with, endorsed by, or sponsored by CompTIA.

Study both cores, but sequence them

Most people sit Core 1 first (hardware, networking, mobile, cloud) then Core 2 (OS, security, software, operations). The domains don't overlap much, so you can focus one at a time. But plan both into your timeline — many students underestimate the second exam because it feels "easier."

Get hands-on early

A+ rewards people who have touched the hardware. If you can, build or take apart a cheap desktop, install an OS, configure a small home network, and practice command-line basics. Even a virtual machine works for OS and command-line objectives.

Hands-on turns abstract objectives into memory. "Configure a SOHO router" means more after you've actually set up a small network.

Use practice questions as a diagnostic, not a crux

Start practice questions early — not to score yourself, but to find gaps. After each set, tag misses to their objective and let the clusters shape next week's plan.

Avoid burning through one bank until you memorize it. Rotate sources and keep sets timed as the exam approaches so you practice pacing.

Allocate days by domain weight

A+ domains carry published weightings. Give heavier domains more study days, and front-load the topics you rated "blank" in your initial objective review. Reserve the final week for review and practice, not new material.

The readiness gate for A+

Before booking either core: every objective ticked, two timed practice exams above your target, and no single domain below it. A+ is pass/fail, so you don't need a perfect score — you need no hidden weak domain.

If you're new to IT entirely

A+ is designed to be a first cert, so don't let the breadth scare you. Budget a little more time if you have no IT background, lean on hands-on, and use the objectives as your map. Many career changers start here and move up to Network+ or Security+ next.