OSI and TCP/IP Models Overview

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Description
OSI and TCP/IP Models Overview This lesson focuses on the OSI and TCP models. The OSI model is a way of thinking about networks that allows us to divide them into layers. Basically, networking is the idea of sending communications from one point to another. The OSI model consists of seven different layers:
  1. Physical
  2. Data link
  3. Network
  4. Transport
  5. Session
  6. Presentation
  7. Application
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