OCR J277 Specification Reference - Section 1.3
Don't forget, whenever the blue note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.
00:00 Introduction
00:11 The complexity of networking
01:20 The concept of layers
03:33 TCP/IP protocol and use of layers
05:00 Application layer
06:06 Transport layer
07:31 Network layer
08:16 Link layer
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