this post was submitted on 22 Nov 2025

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Easy way to remember the OSI model (sh.itjust.works)

submitted 2 days ago by _thebrain_@sh.itjust.works to c/programmer_humor@programming.dev

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[–] Blue_Morpho@lemmy.world 7 points 2 days ago

Why split physical and data link when they are so closely related?

100 mb Ethernet can be run over cat 5e, Cat 6, etc. You can even have Ethernet frames running over coax. (Not just the original standard which was coax but there are modern bridges for using cable TV coax in your house to reach rooms where you can't pull cat5.)