Which two statements are true regarding FortiAnalyzer operating modes? (Choose two.)

Which two statements are true regarding FortiAnalyzer operating modes? (Choose two.)

A. By deploying different FortiAnalyzer devices in both modes, you can improve their overall performance. B. When in collector mode. FortiAnalyzer collects logs from multiple devices and forwards these logs in the original binary format. C. When in collector mode. FortiAnalyzer supports event management and reporting features. D. Collector mode is the default operating mode.