Which two statements about background rogue scanning are correct? (Choose two.)

A. A dedicated radio configured for background scanning can support the connection of wireless clients

B. When detecting rogue APs, a dedicated radio configured for background scanning can suppress the rogue AP

C. Background rogue scanning requires DARRP to be enabled on the AP instance

D. A dedicated radio configured for background scanning can detect rogue devices on all other channels in its configured frequency band.

Explanation:
To enable rogue AP scanning

Reference: https://fortinetweb.s3.amazonaws.com/docs.fortinet.com/v2/attachments/723e20ad-5098-11e9-94bf-00505692583a/FortiWiFi_and_FortiAP-6.2.0-Configuration_Guide.pdf