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← 2.3 Computer Network Elements

MAN, WAN and the internet

Computer Studies · Grade 10 · about 40 minutes

City-scale and country-scale networks, leased lines, and why the internet is a WAN of WANs rather than a sixth type.

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  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. Types of network, and the devices that build them
  2. Network software, protocols, and evaluating a network
  3. PAN, LAN and the school WLAN
  4. MAN, WAN and the internet
  5. DTE, DCE and the NIC
  6. Repeater, hub and switch
  7. Bridge, router, gateway and modem
  8. Network software you actually run
  9. Protocols, HTTPS and DNS
  10. Evaluating a network and joining one