Which three statements about access control lists on a Cisco IOS router are true? (Choose three)

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Which three statements about access control lists on a Cisco IOS router are true? (Choose three)

A. The more specific ACL entries should be placed at the top of the ACL.
B. The generic ACL entries should be placed at the top of the ACL, to filter general traffic and reduce noise on the network.
C. ACLs always search for the most specific entry before taking any filtering action.
D. Router-generated packets cannot be filtered by the interface ACLs on the router.
E. Extended ACLs should be placed as close to the destination as possible.
F. There must be at least one permit statement in an ACL, or all traffic is denied.