When you watch a YouTube video....is it using TCP? UDP? What happens in the network? // CCNA Course 200-301 - GET READY FOR THE TEST: https://bit.ly/bosonexsimccna (affiliate)

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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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