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Computer Networks

10 short modules. Each one: a simple lesson, two quick games and a 8-question quiz for its own free certificate. Finish them all, then take the full Computer Networks certificate.

0 of 10 module certificates
Start module 1 →
  1. Network basicsNetworks connect devices so they can share data.0/4
  2. OSI and TCP/IP modelsUnderstand layered network models.0/4
  3. Physical and data link layersMove bits and frames across links.0/4
  4. Network layer and IPAddress and route packets across networks.0/4
  5. Transport layer: TCP and UDPDeliver data reliably or quickly.0/4
  6. Application layer protocolsKnow the protocols applications use.0/4
  7. Network devices and wirelessKnow switches, routers, access points and Wi-Fi.0/4
  8. Network security basicsProtect networks and data in transit.0/4
  9. Troubleshooting networksDiagnose connectivity problems step by step.0/4
  10. Modern networking and careersExplore cloud networking, SDN and careers.0/4
Final step

🏆 Full Computer Networks certificate

20 questions from basic to advanced, 60% to pass. Best taken after the modules.

Get the full certificate →