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Basics of Computer Networking

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 Basics of Computer Networking Open system:   A system which is connected to the network and is ready for communication.  Closed system:   A system which is not connected to the network and can’t be communicated with.  Computer Network:  An interconnection of multiple devices, also known as hosts, that are connected using multiple paths for the purpose of sending/receiving data or media. Computer networks can also include multiple devices/mediums which help in the communication between two different devices; these are known as  Network devices  and include things such as routers, switches, hubs, and bridges.    Network Topology:  The layout arrangement of the different devices in a network. Common examples include: Bus, Star, Mesh, Ring, and Daisy chain.    OSI:   OSI stands for  Open Systems Interconnection . It is a reference model that specifies standards for communications protocols and also the functionaliti...