Telecommunications and Networks Communications



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TELEKOMUNIKAT AND NETWORKS

Network Topologies

  • Chapter 6 Telecommunications and Networks
  • Topology - The structure of a network
  • Star Network - Ties end user computers to a central computer
  • Ring Network - Ties local computer processors together in a ring on a relatively equal basis
  • Bus Network - Local processors share the same communications channel
  • Mesh Network - Uses direct communications lines to connect some or all of the computers in the ring to each other
  • Switch - A message-switching computer that handles data communication between autonomous local computers

Network Topologies

  • Chapter 6 Telecommunications and Networks

OSI and TCP/IP Models

  • Chapter 6 Telecommunications and Networks
  • Open Systems Interconnection (OSI) Model
    • A seven-layer model that serves as a standard model for network architectures
    • Model for how messages should be transmitted between two points in a network
    • Each layer adds functions
  • Transmission Control Protocol/Internet Protocol (TCP/IP)
    • A five-layer telecommunications protocol used by the Internet

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