单项选择题
A.Install a longwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
B.Install a longwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor
C.Install a shortwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
D.Install a shortwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor
单项选择题 AcustomerhasafileserverusingRAID-5with8KBsequentialwriteoperations.Howshouldthediskcontrollercachebeconfiguredforoptimalperformanceanddataintegrity？（）
单项选择题 Acustomerneedstoinstalladatabaseonaserver.WhichofthefollowingstatementsdescribeshowtomodifytheRAIDconfigurationforoptimalperformance？（）
单项选择题 Acustomerisexperiencingaperformancebottleneck.TheserverisperformingsequentialI/Orequestswithlargeblocksizesof64KB.Improvingwhichofthefollowingstoragesubsystemcharacteristicshasthebiggestimpactonthisbottleneck？（）