フリー問題

問題文

A warehouse installs Wi-Fi temperature sensors that have no display and no buttons beyond a reset pin. Which pair states how the setup stage reaches such a sensor and what the sensor presents when it later joins the production network?

選択肢

1. The sensor carries no screen and no keyboard at that point, so the setup stage opens the temporary directory and the join stage sends the stored authorization in that documentation.
2. The sensor carries no screen and no keyboard at that point, so the setup stage opens the temporary hotspot and the join stage sends the stored authorization in that documentation.
3. The sensor carries no screen and no keyboard at that point, so the setup stage opens the temporary hotspot and the join stage sends the stored credential in that documentation.
4. The sensor carries no screen and no keyboard at that point, so the setup stage opens the temporary directory and the join stage sends the stored credential in that documentation.