Networking Essentials / Network foundations
Lesson 4 of 30
The TCP/IP model
Real networks use the simpler four-layer TCP/IP model: link, internet, transport and application.
Key points
- Link: Ethernet, Wi-Fi
- Internet: IP
- Transport: TCP, UDP
- Application: HTTP, DNS, SSH
Quiz · +10 XP
Which protocol belongs to the transport layer?
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