OSI or Open System Interconnection model was developed by International Standards Organization (ISO). It gives a layered networking framework that conceptualizes how communications should be done between heterogeneous systems. It has seven interconnected layers. The seven layers of the OSI Model are a **physical layer, **data link layer, **network layer, **transport layer, **session layer, **presentation layer, and **application layer.

DATA COMMUNICATION & NETWORKING +8 more

by Akshay Raj

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This tutorial should teach you basics of Data Communication and Computer Network (DCN). **Network Basic Understanding :- A system of interconnected computers and computerized peripherals such as printers is called computer network. This interconnection among computers facilitates information sharing among them. Computers may connect to each other by either wired or wireless media. ** Computer Networks ** Types of Computer Networks ** Topologies ** Types of Topologies

Data communication +6 more

by Akshay Raj

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1 Attachment 4 years ago