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Networking is a broad field that deals with the communication between different devices or nodes. It allows for the transfer of data and information between systems, enabling them to share resources and access the internet. Networking has evolved over the years, from simple local area networks (LANs) to vast, global networks such as the internet. The fundamental components of networking are devices like computers, routers, switches, and communication media, which allow data to move between these devices. In computer networking, devices communicate by using various protocols, which are standardized rules and conventions that allow devices to understand and transmit data. One of the most widely used networking models is the OSI (Open Systems Interconnection) model, which divides the networking process into seven distinct layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. These layers help in managing the complexities of network communication and ensure that data can travel between devices in a standardized way. The most basic building block of any network is the device or node, which can be anything from a computer, router, or printer, to a switch or _______ _______ ________ _________ _____ _________.
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