Slide 20
Slide 20 text
Layers
+---+--------------+----------------+
| 7 | Application | HTTP, FTP, DNS |
| 6 | Presentation | TLS |
| 5 | Session | TCP |
| 4 | Transport | TCP, UDP |
| 3 | Network | IP |
| 2 | Data Link | ARP, PPP |
| 1 | Physical | |
+---+--------------+----------------+