A customer is concerned about increasing storage capacity costs in their NAS storageinfrastructure. Which IBM technology would directly address this concern?（）

单项选择题AcustomerislookingtobuildavirtualdesktopinfrastructureonanIBMplatform.Whatmetricwillbemostusefulindeterminingthestorageplatformrecommendation?（）

A. type of applications to be used
B. number of users 
C. storage capacity per user 
D. number of IOPS to the disk system

单项选择题Thedatacenterdirectorhascomplainedthattapeoperationsarebecomingtoomanuallyintensiveandnon-standardized.Uponfurtherdiscussionitislearnedthateachoftheten(10)opensystemsservershasitsowndirectattachedLTOlibrarysothateachserverwillhaveitsownsetoftapes.WhichIBMSystemStorageTapeLibraryshouldberecommended?（）

A.TS7740 due to virtual tape server support 
B.TS7720 due to virtual tape server support 
C.TS3500 due to multi-logical library support 
D.TS3310 due to multi-logical library support

单项选择题Acorporationwantshelpinreducingbackupcosts.ByproposingalibrarywithLTO-5drives,whichoneofthefollowingwouldbetheBESTreasontochooseLTO-5overLTO-4?（）

A.WORM and encryption capability 
B.offers sequential stream of batch data 
C.offers ability to read and write multiple generation cartridges 
D.lower cost per GB when compared to LTO-4

单项选择题WhichoneofthefollowingbestdescribesLTO-5specificationsfornativecartridgecapacityandthroughput?（）

A.800 GB / 120 MB/sec 
B.2.5 TB / 180 MB/sec 
C.1.5 TB / 140 MB/sec 
D.400 GB / 100 MB/sec

单项选择题AclienthasaSAPproductiondatabasewith10TBofusablestorageonaDS4700.Thegrowthrateofthedatais50%peryear.Themajorityofthedatarapidlybecomesreferencedataandisnotfrequentlyaccessed.Thecustomerwouldliketoimplementasolutionthatwouldmigratethereferencedatatoalessexpensivedisk.Whichofthefollowingwouldbethemostcosteffectivesolution?（）

A. N3400 Express with SnapVault 
B. DS5020 using SATA drives and TSM with HSM 
C. DS5300 with Tivoli Storage Productivity Center for Data 
D. DS8700 with Tivoli Storage Productivity Center for Replication