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Network Topology (Types of Network Topology (Bus Topology (Layout: (The…

- - - - All computers and devices are connected to a
        central device (hub or switch).
      - Hub or switch are devices that provide a
        common central connection point for nodes
        on the network.
    - - All data that transfers from one node to
        another passes through the hub or switch.
      - The hub takes a signal that comes from any
        device and passes it to other devices in the
        network.
    - - Failure of one node will not affect the entire
        network.
      - Devices can be added to or removed from the
        network with little or no disruption to the
        network.
      - Easy to identify problems, making
        troubleshooting easier.
    - - Requires more cable than the other
        topologies.
      - More expensive due to the cost of the
        hub/switch.
      - Failure of hub or switch will shut down the
        entire network.
  - - - All computers and devices are arranged along
        a cable that forms a closed loop.
    - - When a device sends data, the data travels to
        each computer on the ring until it reaches its
        destination.
      - Data transmitted on a ring network travels
        from one device to another around the entire
        ring in one direction.
    - - Can span a larger network than a bus network.
      - Cable faults are easily located, making
        troubleshooting easier.
      - The transmission of data is relatively simple as
        data travels in one direction only.
    - - Failure of any cable or node will affect the
        operation of the entire network.
      - Slower data transmission as the data sent will
        go through all the nodes.
      - More difficult to install compared to bus
        network.
  - - - The bus is a physical cable that connects the
        computers and other devices.
      - Terminators are required at both ends of the
        backbone cable.
      - All computers and devices are connected to a
        single central cable (called bus).
    - - Data transmitted on a bus network travels
        along the bus in both directions.
      - When a sending device transmits data, the
        address of the receiving device is included
        with the transmission so that the data is sent
        to the appropriate receiving device.
    - - Adding and removing nodes can be done
        without disturbing the rest of the network.
      - Failure of one node does not affect the rest of
        the network.
      - Easy and inexpensive to set up.
    - - Failure of the central cable will shut down the
        entire network.
      - Only suitable for small size network.
      - Data collision may occur because data
        transmitted will travel in both directions.