A customer has implemented an N+1 cluster of WLCs without using an AP high availability configuration and is experiencing an unacceptable delay when clients are roaming. Which two configuration changes can improve roaming? (Choose two.)
A. Set master controller mode on the least loaded WLC.
B. Set the AP failover priority identically on contiguous access points.
C. Put all WLCs in the same mobility group.
D. Place all WLCs in the same RF group.
E. Define a primary controller on contiguous access points.
