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# OSI Model
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The OSI Model is a layered protocol model. It was proposed by the International Organization for Standardization.
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The OSI Model is a layered protocol model. It was proposed by the International Organization for Standardization. The model can be used as a reference to understand how networks operate.
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![[OSI-model.png]]
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The model can be used as a reference to understand how networks operate. The model was created to have a sta
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The model was created to have a standard which hardware/software producers could use so that different products could work with each other.
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For example, before this model was introduced, hardware from company A could not work together with hardware of company B because the protocols and techniques used were completely different.
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As you can see the model has 7 layers. Each layer has their own responsibility.
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Note: We dont actually "use" the OSI model, we mostly use the pTCP/IP]]
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## Physical Layer
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## Data Link Layer
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## Network Layer
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