01. OSI Model & Encapsulation
Watch how data moves down the OSI stack, travels across the physical wire, and moves back up.
App (L7)
Transport (L4)
Network (L3)
Data Link (L2)
Router
Data Link (L2)
Network (L3)
Transport (L4)
App (L7)
Watch how data moves down the OSI stack, travels across the physical wire, and moves back up.