AQA A-level Computer Science (7517)Specification point 4.9.4.1

AQA 7517 4.9.4.1: TCP/IP

The free BugBot lessons that teach this point, a robot to try it on, and the past-paper questions that test it.

Lessons that teach it

1. A12.4 The TCP/IP stack and protocols Networks and the web
   The four layers, encapsulation, ports and sockets, and HTTP, HTTPS, FTP, SMTP, POP3 and SSH.
2. A12.10 Project: a reliable link Networks and the web
   Receive a route as packets out of order, reject the damaged one, and drive it.

Try it on a robot

The task from A12.4 The TCP/IP stack and protocols, running here. Change the program and press Run.

The specification is AQA's own document; this page says which of our lessons teach point 4.9.4.1 and is not endorsed by the board.