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Published on 16 Sep 2012 | over 5 years ago

www.soundtraining.net/cisco-router-training-101 The OSI reference model provides a means of understanding how data flows from an application on one computer to an application on a different computer. In this I.T. tutorial video, you will be given an introduction to the workings of the OSI model. Author and speaker Don R. Crawley will explain each of the layers from the physical layer to the application layer, including an explanation of Protocol Data Units, protocols, and equipment associated with each layer.
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