单项选择题 Youneedtoidentifythehardwarefailureshaveoccurredonyourcomputerinthepastsixmonths.What shouldyoudo?（）

单项选择题 以下产品属于IBMPOWERSystems产品的是（）

单项选择题 Anapplicationoruserexperiencespoorperformance，yetexaminationofthenfsstat-coutputindicatesnoorveryfewtimeoutsandretransmits.Thismeansthattheclientisreceivingresponsesfromtheserverasfastasitisaskingforthem.Whatisthefirstthingtobechecked？（）A.ThereisanappropriatenumberofNFSdaemonsrunningontheservermachineB.ThereisanappropriatenumberofbioddaemonsrunningontheclientmachineC.TheserverisnotCPUboundD.Thereisanappropriatenumberofbioddaemonsrunningontheservermachine

单项选择题 InWindowsserverpermissions，animplicitdeny：（）

单项选择题 可执行程序的文件后缀名是（）。