Which four configuration steps are required to implement a zone-based policy firewall configuration on a Cisco IOS route

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Which four configuration steps are required to implement a zone-based policy firewall configuration on a Cisco IOS router? (Choose four.)

A. Create the security zones and security zone pairs.
B. Create the self zone.
C. Create the default global inspection policy.
D. Create the type inspect class maps and policy maps.
E. Assign a security level to each security zone.
F. Assign each router interface to a security zone.
G. Apply a type inspect policy map to each zone pair.