Acustomerisplanningtomigrateafinancialapplicationtoa12-wayp5-570systemwith96GBofmemory.TheapplicationdataisstoredonanESSModel800attachedtoap670serverwithAIX5.2.Theywillhaveashortoutagewindowtoperformthedatamigration.Whatisthequickestwaytomoveallthedatasto
题目
Acustomerisplanningtomigrateafinancialapplicationtoa12-wayp5-570systemwith96GBofmemory.TheapplicationdataisstoredonanESSModel800attachedtoap670serverwithAIX5.2.Theywillhaveashortoutagewindowtoperformthedatamigration.WhatisthequickestwaytomoveallthedatastoredontheattachedESSfromthep670tothenewp5-570？（）
A.Usersynctosynchronizethedataacrossservers.
B.Useexportvgandimportvgtomovethedatatothetargetsystem.
C.UseNFStocopythedatafromthesourcesystemtothetargetsystem.
D.Backupthedatafromthesourcesystemandrestoretothetargetsystem.