Which three statements about a flow-based antivirus profile are correct? (Choose three.)

Which three statements about a flow-based antivirus profile are correct? (Choose three.)

A. IPS engine handles the process as a standalone B. Flow-based inspection uses a hybrid of scanning modes available in proxy-based inspection. C. If the virus is detected, the last packet is delivered to the client. D. Optimized performance compared to proxy-based inspection. E. FortiGate buffers the whole file but transmits to the client simultaneously.