GCSE
Lesson 10 The TCP/IP model
This lesson is designed to deepen learner understanding of the protocols covered in the last lesson and how these protocols operate in the four layers of the TCP/IP model. It starts with a quick recap of what a protocol is. It then moves on to a brief description of the four layers of the TCP/IP model. Learners then take part in an unplugged activity that clearly shows how each of the four layers operate and how this works in relation to data transmission. They learn about segments, packets, and frames and how routing tables are used to decide the ‘next hop’ for the data. Finally, learners are given a repack and recap activity before a quick plenary to check if learners can remember the protocols used at each layer.
Learning objectives
- Describe the four layers of the TCP/IP model (Link, Internet, Transport, Application)
- Define the purpose and common use of the network protocols: TCP, IP, UDP
- Describe that the HTTP, HTTPS, SMTP, IMAP, and FTP protocols operate at the application layer
- Describe that the TCP and UDP protocols operate at the transport layer
- Describe that the IP protocol operates at the internet layer
- Describe the typical contents of a TCP/IP packet and packet switching
Package contents
- Lesson plans
- Learning graphs
- Unit overviews
- Activities
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GCSE revision
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