Which statement about the Cisco IOS Zone-Based Policy Firewall is true?
A.
Only virtual interfaces can be added to a Cisco IOS Zone-Based Policy Firewall zone.
B.
A Cisco IOS Zone-Based Policy Firewall zone is a set of VLANs that share a certain trust
level.
C.
Cisco IOS Zone-Based Policy Firewall policies are not unidirectional.
D.
The Cisco IOS Zone-Based Policy Firewall applies firewall policies to traffic traversing
zones.