Which two actions must be taken?

A wireless engineer must optimize RF performance for multiple buildings with multiple types of construction and user density.

Which two actions must be taken? (Choose two.)
A . Configure Flexconnect groups for each building.
B . Configure WMM profiles for each building.
C . Configure AP groups for each area type.
D . Configure RF profiles for each area type.
E . Enable DTPC on the network.

Answer: C,D

Explanation:

https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-10/config-guide/b_cg810/configuring_ap_groups.html