A.all four ports from the cisco wlc terminated to the same catalyst gigabit module and channel group.
B.ports 1 and 2 from cisco wlc to catalyst gigabit module slot 1 channel group 10 and cisco wlc ports 3 and 4 to catalyst gigabit module slot 2 channel group 10.
C.all four ports from the cisco wlc terminated to the same catalyst gigabit module using two channel groups.
D.ports 1 and 2 from cisco wlc to catalyst gigabit module slot 1 channel group 20 and cisco wlc ports 3 and 4 to catalyst gigabit module slot 2 channel group 40.

A.50 feet [15 meters]
B.200 feet [60 meters]
C.150 feet [45 meters]
D.100 feet [30 meters]