Which two statements about antivirus scanning mode are true? (Choose two.)

A. In proxy-based inspection mode, antivirus buffers the whole file for scanning, before sending it to the client.

B. In full scan flow-based inspection mode, FortiGate buffers the file, but also simultaneously transmits it to the client.

C. In proxy-based inspection mode, files bigger than the buffer size are scanned.
D. In quick scan mode, you can configure antivirus profiles to use any of the available antivirus signature databases.