A comprehensive tutorial is available at
tutorialsweb on ISO OSI model. OSI model is the basic building block of
CCNA certification preparation, and it is highly required that a CCNA aspirant has a solid understanding of different layers of OSI model. The contents of the tutorial are given below:
- The OSI (Open Systems Interconnection) Model
- Information Exchange Process
- Relationship between the OSI Model and Networking Devices
- Repeaters, Bridges, Routers, Gateways and other network components
- Glossary of Networking Terms
