Advantages & Disadvantages of Network Topologies

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  • Advantages & Disadvantages of Network Topologies
    • Star Topology
      • Advantages
        • Fast connection speed as each client has a dedicated cable
        • Will not slow down as much as other network topologies when many users are online
        • Fault-finding is simpler as individual faults are easier to trace
        • Relatively secure as the connection from client to server is unique
        • New clients can be added without affecting other users
        • If one cable or client fails, then only that client is affected
      • Disadvantages
        • If the cable fails then that client may not be able to receive data
        • Expensive to set-up due to increased cabling costs
        • Difficult to install as multiple cables are need. the problem is exaggerated where the LAN is split across a number of buildings
        • The server can get congested as all communications must pass through it
    • Bus  Topology
      • Disadvantages
        • Less secure than a star network as all data are transmitted down one main cable
        • Transmission times get slower when more users are on the network
        • If the main cable fails, then all clients are affected
        • Less reliable than a star network due to reliance on the one main cable
        • More difficult to find faults
      • Advantages
        • Cheaper to install than a star topology as only one main cable is required
        • Easier to install than a star topology
        • Easy to add new clients by branching them of the main able
  • A way of connecting devices in a network where each workstation has a dedicated cable to a central computer or switch
  • A network layout that uses one main data cable as a backbone to transmit data


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