单项选择题 An administrator plans to attach an IBM DS6000 and needs to know if the fibre channel adapter is at the latest firmware level.  Which of the following is the fastest way for the administrator to determine the  atest supported microcode level （）

单项选择题 Duringreboot，thesystemhangswithanLED0554messagethatmeans，"Thebootdevicecouldnotbeopenedorareadfailed." Whichofthefollowingrecoveryproceduresshouldbetaken（）

单项选择题 Anadministratorneedstoreplaceafailedinternaldiskinamirroredrootvg.Whichofthefollowingisoneofthestepsthatmustbefollowed（）