how the OSI model works on YouTube (Application and Transport Layers) // FREE CCNA // EP 5

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0:00 ⏩ Intro
0:40 ⏩ OSI Model Recap
2:02 ⏩ the Application Layer
2:42 ⏩ the Presentation Layer
4:22 ⏩ the Session Layer
6:14 ⏩ the Transport Layer
7:20 ⏩ TCP vs UDP
12:46 ⏩ what are Ports?
18:34 ⏩ QUIZ TIME!!!

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