Which two statements are true about the FGCP protocol? (Choose two.)

Which two statements are true about the FGCP protocol? (Choose two.)

A. FGCP elects the primary FortiGate device. B. FGCP is not used when FortiGate is in transparent mode. C. FGCP runs only over the heartbeat links. D. FGCP is used to discover FortiGate devices in different HA groups.