A customer has implemented several WLANs in an auditorium utilizing a newly dedicated WLC and is experiencing excessive channel utilization regardless of occupancy. Which action reduces channel utilization without removing SSIDs?
A. Disable MCS data rates 0 through 11.
B. Disable MCS data rates used by 40 MHz channels.
C. Disable data rates that use CCK.
D. Disable VHT data rates.
