YouworkasanetworktechnicianatCertkiller.com.Pleasestudytheexhibitcarefully.WhichCiscoSDMConfigurationtaskwouldyouusetoenableaccessandinspectionrulesontheWANinterface，preventinganyexternaltrafficfromenteringthenetworkunlessthattrafficisareplytoasessionthatoriginatedintheinternalnetwork？（）

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/fb6ea3ff3afb4d85f826fbc41e5bb658.jpg' /> A.AdditionalTask B.InterfaceandConnections C.Routing D.NAT E.FirewallandACL F.VPN