What does it mean that the network requires authentication to log in?

This means that after connecting to wifi, login authentication is required before you can access the Internet.

General private wifi does not require login. As long as you are connected to the Internet, you can access the Internet. However, some public WiFi, such as the WiFi provided by operators, or public networks such as campus networks, require verification before you can access the Internet.

Wi-Fi, the Chinese name is wireless fidelity, is a technology that can connect personal computers, handheld devices (such as PADs, mobile phones) and other terminals to each other wirelessly. In fact, it is a high-frequency Radio signals.