Basic Concepts

2. Introduction to Basic Concepts and Terminology of Data Communications

This part of the course will examine the basic concepts and terminology used in Data Communications:

  • Data Communication Equipment (DCE) and Data Terminal Equipment (DTE)
  • Simplex, half-duplex, full duplex communication
  • Baud and data rates
  • The OSI model
  • Digital and analogue signalling
  • Asynchronous and synchronous communications
  • The difference between Internet Protocol Version 4 (IPv4) and its successor, Internet Protocol Version 6 (IPv6)

Next: DCE and DTE