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INTRODUCTION TO NETWORKING - Coggle Diagram

- - - - Physical topology
        
        This type of network is an actual layout of the computer cables and other network devices
      - Logical topology
        
        Logical topology gives insight’s about network’s physical design.
    - - BUS;
        
        Bus topology uses a single cable which connects all the included nodes. The main cable acts as a spine for the entire network. One of the computers in the network acts as the computer server. When it has two endpoints, it is known as a linear bus topology.
      - RING;
        
        In a ring network, every device has exactly two neighboring devices for communication purpose. It is called a ring topology as its formation is like a ring. In this topology, every computer is connected to another computer. Here, the last node is combined with a first one.
        
        This topology uses token to pass the information from one computer to another. In this topology, all the messages travel through a ring in the same direction.
      - MESH;
        
        The mesh topology has a unique network design in which each computer on the network connects to every other. It is develops a P2P (point-to-point) connection between all the devices of the network. It offers a high level of redundancy, so even if one network cable fails, still data has an alternative path to reach its destination.
        
        Partially Connected Mesh Topology
        
        Fully Connected Mesh Topology
      - STAR;
        
        In the star topology, all the computers connect with the help of a hub. This cable is called a central node, and all other nodes are connected using this central node. It is most popular on LAN networks as they are inexpensive and easy to install.
- - - - Network devices typically include switches and routers.
        
        Types of services include DHCP and DNS.
        
        Client devices comprise end-user devices, servers, and
        
        smart things.