Final answer:
An infrastructure WLAN consists of a wireless LAN with a single access point that serves as the central hub for wireless clients. It offers extended range and connectivity to wired networks or the internet.
Step-by-step explanation:
A wireless LAN (WLAN) that includes only one access point (AP) is known as a c) Infrastructure WLAN. In an infrastructure WLAN setup, the access point acts as a central hub to which wireless clients connect. This type of network allows for greater range and the ability to connect to a wired network or the internet through the single access point.