Day 21
IPv4 Addressing
Key Topics
Today we focus on reviewing the structure of an IPv4 address, the classes, and IPv4 subnetting. The exam topic for today only calls out “subnet concepts” and “subnet calculator.” However, we will review the steps to subnet a basic network address so that you are more than ready for any potential questions on subnetting. But also know that there are plenty of subnet calculators available online. You only need to search for them. Network administrators rarely subnet by hand but instead rely on a subnetting tool—possibly ...
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