单项选择题
A.Use write-back cache
B.Use write-back cache with battery backup
C.Use write-through cache with disk caching enabled
D.Use write-through cache with disk caching disabled
单项选择题 Acustomerisexperiencingaperformancebottleneckinadisksubsystem.TheserverisperformingsequentialI/Owithasmallnumberofusersrequestinglargefiles.Whichofthefollowingwouldmostlikelyresolvethebottleneck？（）
单项选择题 Acustomerneedstheabilitytorecovertheirdataifatotalsystemfailureoccurs.Whichtwoofthefollowingarethemostimportantconsiderationsindeterminingthesolution？（）
单项选择题 Acustomerisrunninganapplicationwithlargeblockfilesthatcontainimagesandvideofiles.Theyhavearequirementforalowcoststoragesolution.TheconsultantrecommendedconsideringtheNASsolution.WhichofthefollowingbenefitswilltheNASsolutionprovide？（）