A.enablingnetworkmigrations
B.conservingpublicIPaddresses
C.allowingstatefulpacketinspection
D.preventingunauthorizedconnectionsfromoutsidethenetwork
参考答案:AB
A.enablingnetworkmigrations
B.conservingpublicIPaddresses
C.allowingstatefulpacketinspection
D.preventingunauthorizedconnectionsfromoutsidethenetwork
参考答案:AB