CIDR Subnetting Chart

CIDR chart


CompTIA Security+ SY0-401 Acronym Flashcards



If you find errors in this card stack, or have terms I should add, please list those in the comments.

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Below the cards, are links to use the terms in a quiz or matching game.




CompTIA Security+ Study Resources

Security+ Resources

While studying for CompTIA certification exams, I listened to countless others give recommendations for the “best” study material. The biggest complaint was always that information wasn’t all in one place. Hopefully, this list can help, by consolidating some of the most-used “best” resources. These recommendations come from students studying for the exams, people who have passed the exams, professional educators, and an array of IT professionals. Materials I personally used are highlighted in

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