フリー問題

問題文

A new Thread device is being brought into an existing network through the mesh commissioning procedure. Which pair states what the commissioner does about the newcomer and how the newcomer ends up with the network key?

選択肢

1. The commissioning protocol admits devices one by one, so the commissioner watches the fresh arrival and the joining device earns the network key in that documentation.
2. The commissioning protocol admits devices one by one, so the commissioner watches the fresh arrival and the joining device supplies the network key in that documentation.
3. The commissioning protocol admits devices one by one, so the commissioner verifies the fresh arrival and the joining device supplies the network key in that documentation.
4. The commissioning protocol admits devices one by one, so the commissioner verifies the fresh arrival and the joining device earns the network key in that documentation.