Content layer: ideas exchanged in conversation.To visualise this concept of layers, consider a conversation between two people:.Because each layer consists of standardised protocols that perform functions to an agreed set of rules, it is possible to modify individual protocols within a layer without having to change protocols in other layers. Network protocols are arranged in layers, with each layer providing a specialised service for the layer above.These protocols are designed to implement a particular set of rules and conventions governing particular aspects of how devices in a network communicate. ![]() Network communication relies upon the interaction of many different protocols. ![]() Identify network hardware and protocols 1 Layered network protocols
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