CS38 : The TCP/IP stack



https://docs.google.com/presentation/d/1F0WSeYmv-5cWcy5gfoFewlWUwCFB4YW2jJGVfHBmnhg/preview
All exam boards apart from iGCSE require a detailed knowledge of the operation of the TCP/IP protocol stack which enables consistent communication across the Internet (and beyond ...)

We are learning ...
  • About the functions of the main networking protocols
  • About the operation of and the functions of the layers in the TCP/IP stack.
So that we can ...
  • Define the term 'network protocol'
  • Explain the purpose of common networking protocols ...
    - Ethernet
    - WiFi
    - TCP (Transmission control protocol)
    - UDP (User datagram protocol)
    - IP (Internet protocol)
    - HTTP (Hypertext Transfer Protocol)
    - HTTPS (Hypertext Transfer Protocol Secure)
    - FTP (File transfer protocol)
    - SMTP (Simple mail transfer protocol)
    - IMAP (Internet Message Access Protocol)
    - POP3 (Post Office Protocol)
  • Describe the functions of the 4 layers in the TCP/IP Stack
    - Application layer (HTTP / HTTPS / SMTP / IMAP / FTP)
    - Transport layer (TCP / UDP)
    - Network layer (IP)
    - Data link layer (MAC)
  • Packet switching (OCR)

CGP The Revision Guide Page 17, 18, 19
CGP Exam Practice Workbook Page 22, 23

https://docs.google.com/document/d/1hO63Uh3pG9pjwCehXAHu5nwuujChBo-r4M9K4Xwtl5Y/export?format=pdf
Click to download revision cards
Remember to print them single sided!