CS-NETWORKS-<3

• Encryption


  Used to ensure that messages can be sent securely over a network
• Node

  Any device connected to a network
• Networks can be arranged in different topologies
• Topology

  The structure, or arrangement, of a network
• Bus topology


  • A network layout where all nodes are connected along a linear link/backbone known as a bus
• Network topologies

  1. Star networks

  2. Bus networks
• Star topology


  • A network where each node is connected to a central switch
• All nodes on a network are connected together either by wire or wirelessly
• A network's topology is the arrangement in which all nodes on a network are connected together
• Network security is important to ensure messages are sent securely over a network
• Network layering


  The division of network functionality into separate layers
• Common network topologies

  • Bus topologies
  • Star topologies