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20:52
YouTube
Professor Messer
Professor Messer - Seven Second Subnetting
Subnetting with (almost) zero math. In seven seconds or less! This is the subnetting procedure I use when taking a certification exam. If you're looking for a way to subnet that is fast, accurate, and simple, this is for you. I highly recommend that you understand the math behind the subnetting process before watching this video. There's a lot ...
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