YoudeployamobilemessagingsolutionwithMicrosoftExchangeServer2003ServicePack2.Whentheapplicationisrunning，itmustnotbeabletoaccessprotectedregistrykeys.Youneedtoensurethattheapplicationmeetstheoutlinedrequirement.Whataretwopossiblewaystoachievethisgoal？（）
A.UseMicrosoftWindowsMobile5.0PocketPCPhoneEditionoperatingsystem.
B.UseMicrosoftWindowsMobile2003forPocketPCoperatingsystem.
C.UseMicrosoftWindowsMobile5.0forSmartphoneoperatingsystem.
D.UseMicrosoftWindowsMobile2003forSmartphoneoperatingsystem.
参考答案：CD
