Weatherforecast or network management? - we explain the basics of Nebula

Zyxel offers many products that can be managed by the Nebula Control Center / Cloud Management. But as there are untold secrets of what happens between the user registration and the server, users are afraid to trial the free of charge network management. In this video I will explain to you, the how? what? and why? questions about Nebula.
Feel free to write your questions in the comment segment.