Which two statements about Junos software packet handling are correct?()(Choose two.)
A、The Junos OS applies service ALGs only for the first packet of a flow.
B、The Junos OS uses fast-path processing only for the first packet of a flow.
C、The Junos OS performs policy lookup only for the first packet of a flow.
D、The Junos OS applies SCREEN options for both first and consecutive packets of a flow.