A wireless autonomous 1200 access point running core feature set in root mode has its SSID set to Factory_floor and provides connection to a repeater access point with its SSID set to Factory_floor. If the root-mode access point is using channel 11, which channel will the repeater access point use?

A.
channel 11

B.
channel 1 or 6

C.
any nonoverlapping channel

D.
The root access point and the repeater will negotiate this setting.