I'm studying for CompTIA A+ right now, and the ports-and-protocols list was the first thing I had to drill until it stuck. So I built this trainer. Pick a mode, answer 15 questions, and the ones you miss come back until you know them.
Keyboard: press 1–4 to answer, Enter for the next question.
Round complete
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Cheat sheet: all ports and protocols
| Port | Protocol | TCP/UDP | What it does |
|---|
Based on the ports and protocols listed in the CompTIA A+ Core 1 exam objectives. Always check the current official objectives before your exam. This is an independent study tool, not affiliated with or endorsed by CompTIA. CompTIA and A+ are trademarks of CompTIA, Inc.