You are using standalone cisco aironet 1400 series wireless bridges for a nine-mile point-to-point wireless link between two buildings.<br /> Which distance setting should you use for the bridge configured as the root?()
A、20 km [12.4 miles]
B、10 km [6.2 miles]
C、5 km [3.1 miles]
D、25 km [15.5 miles]
E、15 km [9.3 miles]