单项选择题
A.The utilization of interswitch links between the redundant switches
B.The enablement of the multi-OS Storage Partitioning feature on the DS4300
C.Selection of 50u multi-mode Fibre to ensure 2Gb operation
D.The RAID level of the array on the DS4300 storage server
单项选择题 AcustomerhasanxSeriesx445serverattachedtoaDS4500storageservercontainingtwoEXP710diskexpansiondrawerswith14disksineach.Thex445istobeusedforavideostreamingapplication.Thecustomerwantstomakethemostcost-effectiveuseofthediskcapacitywhileretainingfaulttolerance.Whichofthefollowingsolutionswillsatisfytherequirements？（）
单项选择题 AcustomerhasafileserverwithRAID-5using8KBrandomI/Os，with67%readsand33%writes.Howshouldthediskcontrollercachebeconfiguredforoptimalperformance？（）
单项选择题 Acustomerisexperiencingaperformancebottleneckinadisksubsystem.TheserverisperformingsequentialI/Owithasmallnumberofusersrequestinglargefiles.Whichofthefollowingwouldmostlikelyresolvethebottleneck？（）