The mechanism of Internet communications

Code No
Skill Category No: 
3
Skill No: 
1
Topic No: 
4
Level: 
I
Objective: 

Understand background history behind current Internet and communication models.
Identify and describe the roles and capabilities of each seven layers of OSI model, thru practical examples.

  • Networking fundamentals
    • History of internet communications
    • The concepts of internet
  • Open System Interconnection(OSI) reference model
    • OSI model issue and concepts
    • Physical layer (Layer 1)
    • Datalink layer (Layer 2)
      • Simplex, full-duplex and half-duplex
      • Encoding (NRZ, NRZI, Manchester, 4B/5B)
    • Network layer (Layer 3)
    • Transport layer (Layer 4)
    • Session layer (Layer 5)
    • Presentation layer (Layer 6)
    • Application layer (Layer 7)