network

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)