Which of the following would need to be created to configure an application-layer inspection of SMTP traffic operating on port 2525?
A. A class-map that matches port 2525 and applying an inspect ESMTP policy-map for that class in the global inspection policy
B. A policy-map that matches port 2525 and applying an inspect ESMTP class-map for that policy
C. An access-list that matches on TCP port 2525 traffic and applying it on an interface with the inspect option
D. A class-map that matches port 2525 and applying it on an access-list using the inspect option
