You are connecting your access point and it is set to root. What does Extended Service Set ID mean?

• That you have more than one access point and they are in the same SSID connected by a distribution system.
• That you have more than one access point and they are in separate SSIDs connected by a distribution system.
• That you have multiple access points, but they are placed physically in different buildings.
• That you have multiple access points, but one is a repeater access point.