单项选择题
A.Fourteen servers per rack likeBladeCenter
B.Two servers per rack for optimal cooling cost
C.One server per rack for optimal cooling and energy efficiency
D.Four servers per rack （twoexach half high） for optimal cooling
单项选择题 AneX5clientisconcernedaboutthecost-per-GBoftheproposedSASdisk-basedsolution，andsuggestsusingSATAdisktechnologyinordertoreducecostsfortheir24x7mission-criticalMicrosoftSQLServerapplication.Whichaddressesthecustomerissuesofthefollowing？（）
单项选择题 AcustomerhasDirectAttachedStorage（DAS）storagefortheirWindowsservers.Theyareallocatingmoneyinnextyear’sbudgetforadditionalstorage.Whichofthefollowingquestionsshouldbeaskedfirsttodeterminetheproperstoragesolutiontopropose？（）
单项选择题 InwhichphaseshouldaTDAbeperformedofthefollowing？（）