54. Pearson Edexcel GCSE (1CP2) Topic 4 TCP-IP protocol model

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EDEXCEL 1CP2 Specification Reference - Topic 4: 4.1.1 - 4.2.1

This video takes a deeper look at two of the protocols introduced in the last video, TCP and IP. Together they are known as the TCP-IP 4 layer model.

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 TCP/IP protocol model
00:11 Intro
00:16 The complexity of networking
01:26 The concept of layers
03:18 The four-layer TCP/IP protocol model
05:25 Going beyond the GCSE specification
05:50 TCP/IP protocol and use of layers
07:17 Application layer
08:24 Transport layer
09:49 Network layer
10:33 Link layer
11:54 Outro

Last updated: 31.07.25

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