What is OSI model ? Explain the Layers of OSI model with diagram .
What is OSI model ? Explain the Layers of OSI model with diagram . What is OSI model? The OSI model (Open System Interconnection) model defines a computer networking framework to implement protocols in seven layers. A protocol in the networking terms is a kind of negotiation and rule in between two networking entities. Layers of OSI model: Physical layer The Physical layer is also called as the Layer 1. Here are the basic functionalities of the Physical layer: · Responsible for electrical signals, light signal, radio signals etc. · Hardware layer of the OSI layer · Devices like repeater, hub, cables, ethernet work on this layer · Protocols like RS232, ATM, FDDI, Ethernet work on this layer Data Link layer The data link layer is also called as the Layer 2 of the OSI model. Here are the basic functi...
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