What is the need of protocols in computer networks?
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Network protocols are sets of rules for exchanging information. This exchange usually occurs much like a dialog between two computers. The exchange often begins with the client sending a signal to the server, providing key information about what kind of data is being requested.
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Network protocols are needed because it include mechanisms for devices to identify and make connections with each other, as well as formatting rules that specify how data is packaged into messages sent and received.
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