Overview
Physical Media
- TP cable
- two wired twisted together surrounded by a shield
- signal and ground reference
- short range (100meters)
- phone, DSL, ethernet lan
- Coaxial
- inner conductor
- insulator
- outer conductor (shield)
- insulator
- plastic cover
- long distance high speed: cable tv ethernet lan
- fibre optic
- light within glass
- high speed low error
Application Layer
[Application Layer](notes/Application Layer)
Transport Layer
[Transport Layer](notes/Transport Layer)
Network Layer
[Network Layer](notes/Network Layer)
Data Link Layer
[Data Link Layer](notes/Data Link Layer)
Physical Layer
[Physical Layer](notes/Physical Layer)
Wireless Layer
[Wireless Layer](notes/Wireless Layer)
Security Layer
[Security Layer](notes/Security Layer)
Other Layer
[Other Layer](notes/Other Layer)