This CheatSheet highlights the IPv4 subnetting concepts you need to know for the CCNA 200-301 exam. This cheatsheet is designed to provide a concise summary of the key concepts.
Use it to quickly recall how IPv4 subnetting works and how each part fits together:Subnets size: You can see how big each subnet is compared to /24.
Private IPv4: See the private IPv4 ranges instantly.
Binary calculation: Directly calculate each subnet mask with the binary calculation.
IPv4 Classes: View each IPv4 class.
Subnetting: Finally, the most important part, the one that every student must remember and, above all, calculate in their head.
Figure 1 - IPv4 Subnetting CheatSheetThis visual guide is built for CCNA learners who want to review IPv4 subnetting faster and keep the most important prefixes in mind.
You can use it to help you during the IPv4 Subnetting Quiz.
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