单项选择题 AcustomerhaspurchasedanewIBMStorwizeV7000storagearrayandisconsideringanIPbasedDRreplicationsolutionthatiscost-optimizedandprovidesanearinstantrecoveryoptionfortheirMicrosoftExchangeapplicationandserver.Thebackupsiteis30kilometersaway.Whatwouldbethebestchoiceforreplication？（）
单项选择题 WhatistherequiredelementforencryptionkeymanagementonanLTO-5drivewithinatapelibrary？（）
单项选择题 AcustomerrecentlypurchasedanIBMSystemStorageDS5020withanattachedexpansionunitthatprovides9TBofcapacity.InspeakingtotheirBusinessPartner，theyareveryinterestedinvirtualizingtheirstorageenvironmentandwouldliketopurchaseaStorwizeV7000withanenclosurethatwillprovidethemwithanadditional14TBstorage.KnowingthatthecustomerwouldliketointegratetheDS5020intotheirnewvirtualizedstorageenvironment，howmuchtotallicensingshouldbesold？（）