It’s really important that you learn the TCP/IP model for the CCNA exam. You need to understand the protocols that we use in modern networks today like TCP, UDP, IPv4, IPv6, SSH, HTTPS, Ethernet and more.
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0:00 – Intro
0:47 – Encapsulation and De-encapsulation
02:41 – Understanding How Transmission Works
03:34 – Receiving Transmission
04:12 – See This On A Windows PC
04:54 – How The Network Interface Card Decides On Protocols
05:09 – How Layers Connect
05:54 – How The CPU Processes Where To Send User Data
07:23 – Port Numbers
08:20 – Conclusion
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