Which statement best describes Cisco IOS Zone-Based Policy Firewall?

Which statement best describes Cisco IOS Zone-Based Policy Firewall?

A.
A router interface can belong to multiple zones.

B.
The pass action works in only one direction.

C.
Router management interfaces must be manually assigned to the self zone.

D.
A zone-pair is bidirectional because it specifies traffic flowing among the interfaces within the
zone-pair in both directions.

E.
Policy maps are used to classify traffic into different traffic classes, and class maps are used to
assign action to the traffic classes.

F.
Service policies are applied in the interface configuration mode.