If you’re picking up this book, there’s a good chance that you want to pass the CompTIA A+ exam. It means that you’re likely either an IT professional looking for certifications or someone who has a bit of computer knowledge and wants to start an IT career. The A+ exam was the first certification test I passed, and the knowledge I gained from studying for it still helps me more than 20 years later, even though much has changed.

While I’m confident that if you can answer all the questions in this book, you can pass the exam, ...

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