Whilediscussingthespecificationsofreplacementservers，theadministrator’smanageraskswhat canbedonetoavoidthedowntimeassociatedwithfailedharddrivesontheservers.Whichof thefollowingshouldtheadministratorrecommend？（）
A.Mirroralldiskstoavoidreplacement
B.PurchaseserverswithhotswappabledrivesconfiguredinaRAID
C.PurchaseserverswithduplicatedrivesconfiguredasRAID0
D.Performtimelybackups
参考答案：B
