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File:Router switch in OSI model.png - Wikimedia Commons
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Network Layers & Network Layer in OSI Model
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Network Layers & Network Layer in OSI Model
The OSI model explained and how to easily remember its 7 layers:
The TCP/IP Guide - Indirect Device Connection and Message Routing
Network Layers & Network Layer in OSI Model
The OSI Model – The 7 Layers of Networking Explained in Plain English
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:max_bytes(150000):strip_icc()/OSImodel-8d93f19d50e543348f82110aa11f7a93.jpg "OSI Model Reference Guide (With Examples)")