While reviewing data gathered during a passive RF site survey for an existing network of Cisco Aironet 1260 Series Access Points, you discover a high amount of potential co-channel interference throughout the network. Which two of these are potential causes? (Choose two.) 

Answer options:

A. an inconsistent beacon interval
B. EDRRM is not enabled
C. the APs are placed too close together
D. a static channel plan is used
E. the radio policy is inadvertently set identically for all SSIDs

CD