Which Cisco ASA feature enables the ASA to do these two things?

Which Cisco ASA feature enables the ASA to do these two things? 1) Act as a proxy for the server and generate a SYN-ACK response to the client SYN request. 2) When the Cisco ASA receives an ACK back from the client, the Cisco ASA authenticates the client and allows the connection to the server.

A.
TCPnormalizer

B.
TCP state bypass

C.
TCP intercept

D.
basic threat detection

E.
advanced threat detection

F.
botnet traffic filter