单项选择题 ()技术自动将不同活跃度的数据和不同特点的存储介质动态匹配，提高存储系统性能并降低用户成本。

单项选择题 云计算的（）特点指的是随机应变的自助服务，高度的自助服务。

单项选择题 E－BOD SDN方案可以为用户提供服务有：企业到企业、企业到云以及()

单项选择题 YourcompanyhasanActiveDirectorydomainthatrunsWindowsServer2008TheSalesOUcontainsanOUforComputers，anOUforGroups，andanOUforUsersYouperformnightlybackups.AnadministratordeletestheGroupsOUYouneedtorestoretheGroupsOUwithoutaffectingusersandcomputersintheSalesOUWhatshouldyoudo（）A.PerformanauthoritativerestoreoftheSalesOU.B.PerformanauthoritativerestoreoftheGroupsOU.C.Performanon-authoritativerestoreoftheGroupsOU.D.Performanon-authoritativerestoreoftheSalesOU.

单项选择题 YourcompanyhastwoActiveDirectoryforestsnamedcontoso.comandfabrikam.com.BothforestsrunonlydomaincontrollersthatrunWindowsServer2008.Thedomainfunctionallevelofcontoso.comisWindowsServer2008.Thedomainfunctionalleveloffabrikam.comisWindowsServer2003Nativemode.Youconfigureanexternaltrustbetweencontoso.comandfabrikam.com.YouneedtoenabletheKerberosAESencryptionoption.Whatshouldyoudo（）A.Createanewforesttrustandenableforest-wideauthentication.B.Raisetheforestfunctionallevelofcontoso.comtoWindowsServer2008.C.Raisetheforestfunctionalleveloffabrikam.comtoWindowsServer2008.D.Raisethedomainfunctionalleveloffabrikam.comtoWindowsServer2008.