π‘ TCP/IP model
5 layer model, protocol suite that pre-dates the OSI model
DIFFERENCE BETWEEN TCP AND OSI
The TCP model combines application, session and presentation layer together into the application layer
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Layers1.
Physical
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Cables, NIC
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Everything you can touch
2.
Data link
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Ethernet, Switches
3.
Network
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IP, Routers
4.
Transport
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TCP, UDP
5.
Application
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HTTP, FTP, SMTP