单项选择题
A.Implement one DS4400 at each location connected to the fibre link and use Remote Volume Mirror （RVM）.
B.Implement a DS4400 at each location using FlashCopy option and use host based replication to synchronize the sites.
C.Implement a switched fabric using redundant SAN switches with a DS4300 using RVM option at each location.
D.Implement a switched fabric using SAN switches connected via ISL with a DS4300 using RVM option at each location.
单项选择题 A customer has a need for an xSeries server for an application requiring 12GB memory with the capacity of up to 20GB. The HDD configuration needs to be as follows： （1）Two drives RAID-1 for the operating system （2）Five drives for Data in a RAID-5 configuration with one Hot-Spare （3）All drives have to be internal. Which of the following will satisfy the requirements for the application？（）
单项选择题 AcustomerpurchasedanewIBMxSeriesx445.Theyalreadyhaveanon-IBMindustrystandardrackwith14Uofopenspacethatisbeingconsideredtohousethenewserver.TherackhousesanexistingUPSunitfortheentirerack.Whichofthefollowingquestionsismostimportanttoensurethatthepowerinthedatacenterenvironmentisreadyfortheinitialinstall？（）
单项选择题 Acustomerhasfour2-way2Ufront-endwebserversthatarecurrentlyrunningat15%CPUutilization.Theseserversprovidepointsofaccessforusersworldwide，andvolumeisexpectedtotripleinthenextsixmonthsandaggressivelygrowthereafter.Theywanttoupgradethesesystemstonewertechnologyandstaywithinthe8Uofrackspacethattheyarereplacing.Whichsolutionwouldfitthecustomer’srequirements？（）