Which statement is true about implementing IP spoofing protection as a Junos Screen
option?

A.
It ensures that the active route to the source has the same egress interface as the ingress
interface for the packet.

B.
It ensures that a route, active or not, to the source exists with the same egress interface
as the ingress interface of the packet

C.
It ensures that the active route to the source has the same egress zone as the ingress
zone for the packet

D.
It ensure that a route, active or not, to the source exists with the same egress zone as the
ingress zone for the packet.