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 Model Layer 2 Data Link

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OSI Model Layer 2 Data Link

OSI Model 2 Layer 2 Data Link

This lesson focuses on the second layer of the OSI model, which is the data link layer. Essentially, this layer is about access to a computer, access to a device. This is the layer that packages bits and data into frames. Frames are segments of data that we are pushing over layer 2 connectivity. It is a transfer from point to point and MAC addresses.

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