Acustomerrequiresoff-sitestoragefor500GBpernightinbackuptapes.Thebackupsiteis560kilometers（350miles）away.Thecustomerdoesnotrequirethebackupsitetoruntheapplicationintheeventoffailureatthemainsite.Whatistheleastexpensivestrategyforthedatacentertoimplement？（）A.makeonlineimagebackupsB.installGlobalMirroratthebackupsiteC.shipnightlybackuptapestotheremotesiteD.installTivoliStorageManager（TSM）andatapedriveatthebackupsite
Acustomerrequiresoff-sitestoragefor500GBpernightinbackuptapes.Thebackupsiteis560kilometers（350miles）away.Thecustomerdoesnotrequirethebackupsitetoruntheapplicationintheeventoffailureatthemainsite.Whatistheleastexpensivestrategyforthedatacentertoimplement？（）
A.makeonlineimagebackups
B.installGlobalMirroratthebackupsite
C.shipnightlybackuptapestotheremotesite
D.installTivoliStorageManager（TSM）andatapedriveatthebackupsite