单项选择题
A.Problem Determination and Service Guide
B.xRef
C.ServerGuide Hardware Reference
D.COG
单项选择题 WhichstatementsistrueaboutPredictiveFailureAnalysis（PFA）forSystemxservers？（）
单项选择题 AretailcustomerwantstoidentifythesystemfirmwareversioninformationonseveralIBMSystemxserversandapplyupdatesasrequiredfromacentrallocationwithoutcausingserverdowntime.WhichIBMtoolprovidethiscapability？（）
单项选择题 Acustomerneedstoinstallarackwithsixofthex3650M3serverswiththestandardlinecords.Eachserverhasredundantpowersupplies.Whichofthefollowingmeetsthisrequirement？（）