Devices used in each layer are….
- Physical layer or below : Hubs, Repeaters, Cables, Fibers, Wireless..
- Data-link layer: Bridges, Modems, Network cards, 2-layer switches.
- Network layer: Routers, Brouters, 3-layer switches.
- Transport layer: Gateways, Firewalls.
- Session layer: Gateways, Firewalls, PC’s.
- Presentation layer : Gateways, Firewalls, PC’s.
- Application layer: Gateways,Firewalls, all end devices like PC’s, Phones, Servers..
