Networks

LANs and WANs, network hardware, performance, topologies, addresses and packets, DNS and the cloud, protocols and layers, with the robots on the mat as a working network.

Module F10GCSE9 lessons

Start in the simulator
  1. F10.1 What is a network? Why networks, LAN, WAN and PAN, client-server and peer-to-peer.
  2. F10.2 Network hardware and connections NICs, switches, routers and access points; copper, fibre and wireless; Wi-Fi, Ethernet and Bluetooth.
  3. F10.3 Network performance Bandwidth, transfer time calculations, what slows a network, and measuring latency with a ping.
  4. F10.4 Network topologies Star, bus, ring and mesh, and routing around a failure in a mesh of robots.
  5. F10.5 Addresses and packets MAC and IP addresses, IPv4 and IPv6, and packet switching.
  6. F10.6 The internet, DNS and the cloud The internet and the web, DNS, web servers and hosting, and the cloud.
  7. F10.7 Protocols Standards, and TCP, UDP, IP, HTTP, HTTPS, FTP, SMTP, POP and IMAP.
  8. F10.8 Layers The four-layer TCP/IP model, encapsulation, and why layers are used.
  9. F10.9 Project: reliable delivery Deliver a report over a lossy radio with packets, acknowledgements and resending.