A.InstructtheuserstouseIRMencryptionmethodonly
B.InstructtheuserstouseS\/MIMEencryptionmethodonly
C.UsingcommandNew-ExchangeCertificatecmdlet
D.UsingtheSet-ExchangeServercmdlet
参考答案:A
A.InstructtheuserstouseIRMencryptionmethodonly
B.InstructtheuserstouseS\/MIMEencryptionmethodonly
C.UsingcommandNew-ExchangeCertificatecmdlet
D.UsingtheSet-ExchangeServercmdlet
参考答案:A