Silicon Dojo - https://www.meetup.com/silicon-dojo-free-technology-education/
00:00 Introduction
01:50 The OSI Model is a Conceptual Model
06:06 Layers of the OSI Model
18:13 Mapping Equipment and Systems to OSI Layers
28:14 Using the OSI Model for Troubleshooting
46:00 TCP/IP Model vs the OSI Model
50:11 Final Thoughts