Which two actions can be configured to allow traffic to traverse an interface when zone-based security isbeing employed？（）

A.Starting a Smurf attack
B.Conducting social engineering
C.Creating a back door
D.Launching a DoS attack

A.Authorization
B.Confidentiality
C.Authentication
D.Integrity

A.signature-based
B.profile-based
C.rule-based
D.protocol analysis-based