Answer:
captive portal
Explanation:
A captive portal is a type of web page that will provide the list of connected users of the Wi-Fi before giving permission to accessing of the network of Wi-Fi. The captive portal provides the free WiFi hotspot for the interior user .airports, hotels, etc are using the captive portal.
When Cora tries to access the free Wifi at the coffee shop firstly she will see the captive portal .cora firstly agree to accept the terms and conditions of the captive portal after giving the permission of agreeing she is able to access the WiFi network in that coffee shop.