Most cleartext protocols have an encrypted twin running on a different port. If you see one, the other is usually nearby.
For teachers Cybersecurity and networking, grades 7 to 12 and introductory college courses
Browse, flashcard, or quiz yourself on the ports the CCST exam loves. Cleartext vs. encrypted, TCP vs. UDP.
In class: Flashcards and a quiz for the port numbers the exam asks about, cleartext and encrypted side by side.
Students need no account and nothing to install, so it works on Chromebooks and as a sub plan.
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