Which firewall configuration must you perform to allow traffic to flow in both directions between two zones?
A. You must configure two zone pairs, one for each direction.
B. You can configure a single zone pair that allows bidirectional traffic flows for any zone.
C. You can configure a single zone pair that allows bidirectional traffic flows for any zone except the self zone.
D. You can configure a single zone pair that allows bidirectional traffic flows only if the source zone is the less secure zone.
