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

Answer: B,D,E