Network Protocols and the 4 Layer Model

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Before looking at examples in the next video, this introduces the term protocols and talks about the concept of layers. • Made primarily for OCR GCSE Computer Science (J277) Paper 1. If you are following another course, be sure to use the playlists on my channel. • If this video was useful, please like it and subscribe, it really helps! Also, if you use an ad blocker, whitelisting my channel is very much appreciated! • These videos will always be free but if you'd consider a donation I'd be extremely grateful - https://www.paypal.me/computerscience... or https://ko-fi.com/mrbrowncs. • Link to my TES shop where I upload my teacher resources (including the PowerPoints): https://www.tes.com/teaching-resource... • For any questions or enquiries, please email me using the address given on my channel page.

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