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)