Section C — Practical / Procedural (15 marks) 15. (10 marks) Given the following scenario, write a clear step‑by‑step procedure (numbered steps) to update the Tenda F3 firmware via the router’s web interface, including safe precautions and verification steps after update. (Assume Windows PC connected by Ethernet; the firmware file is already downloaded and verified.) 16. (5 marks) You performed an update and the router no longer shows a working WAN connection but LEDs indicate it boots normally. List five troubleshooting steps to restore Internet connectivity.
Section D — Bonus — Research & Critical Thinking (5 marks) 17. (5 marks) Assume the official Tenda site shows a firmware v15.03.07.21 and a community forum claims a v16 beta exists with faster throughput but unverified stability. What factors should you weigh before installing the beta, and what practical steps would you take if you decide to test it (minimize downtime and risk)?