Which statements about FortiGate inspection modes are true? (Choose two.)

A. The default inspection mode is proxy based.

B. Switching from proxy-based mode to flow-based, then back to proxy-based mode, will not result in the original configuration.

C. Proxy-based inspection is not available in VDOMs operating in transparent mode.

D. Flow-based profiles must be manually converted to proxy-based profiles before changing the inspection mode from flow based to proxy based.