You are using standalone Cisco Aironet 1400 Series Wireless Bridges for a nine-mile point-to-point wirelesslink between two buildings. Which distance setting should you use for the bridge configured as the root?()
A.5 km [3.1 miles]
B.10 km [6.2 miles]
C.15 km [9.3 miles]
D.20 km [12.4 miles]
E.25 km [15.5 miles]