What is the Transport Layer and TCP? - Part 1 

This is the absolute best set of explanations on these technologies anywhere!! THANK YOU!!!

Why does he not have more viewers?!?!?! Thank you, sir!!!

Thank u so much sir! Crystal clear explanation! Please make more tutorials on congestion control, Application layer etc.

Helpful for my google Cert i'm working on. Having them teach is great but sometimes the way they do it doesn't make sense. I'm happy your out here doing what your doing cuz RU-vid videos are my best bet for learning.

Great explanations. Thank you.

such a great video, u sir just won a subscriber

That you sir. You are always great in your tutorials. I learned more from you than school setting. Do you have any videos on sims or simlets for CCNA exam practice? Thanks again.

This is gold I cant thank you enough.

Part II please 😀

sir how about the port 443?