Uploaded October 2021 | Updated September 2026, 1 day ago

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Every network engineer at some point will need to explain the difference between TCP and UDP, along with a few details about the protocol. Whether for a certification exam like the CCNA or Network+, or for a job interview.

Let's keep it simple.

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Hope this helps Packet People!

Chapters:
0:00 Intro
0:47 TCP and UDP Overview
1:10 Hands On with UDP
2:48 Is UDP Unreliable?
3:31 Hands On with TCP
4:57 Reliable Transmission
5:19 TCP Congestion Control
6:40 FINs and Resets
7:10 TCP vs UDP Cheat Sheet