Module 1.1 - OSI and TCP/IP Models

Module 1.2 - Devices & Protocols in Relation to OSI Model

Module 1.3

Module 1.4

Module 1.5 and 1.6

Module 1.7

Module 1.8

Module 1.9

Module 2.1

Module 2.2

Module 2.3

Module 2.4

Module 2.5

Module 2.6

Module 3.1 and 3.2

Module 3.3

Module 3.4

Module 3.5

Module 3.7

Module 3.8

Module 4.1

Module 4.2

Module 4.3

Module 4.4

Module 4.5

Module 4.6

Module 5.1

Module 5.2

Module 5.3

Module 5.4

Module 5.5

Module 5.6

OSI and TCP/IP Models Overview

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OSI and TCP/IP Models Overview

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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