Which two statements regarding screens on SRX Series devices are correct?

Which two statements regarding screens on SRX Series devices are correct? (Choose two.)

A.
Reconnaissance screens associated with IP options are applicable to IPv4 and IPv6.

B.
Packets detected by one screen are not evaluated by subsequent screens.

C.
Packets detected by one screen are still evaluated by subsequent screens.

D.
Reconnaissance screens associated with IP options are applicable to IPv4 only.