单项选择题
What does the FREQ column show when running the tprof option?（）
A. Total amount of Ticks used by all users B. Total amount of Ticks used by all processes C. Total amount of Ticks used by a specific user D. Total amount of Ticks used by a specific type of process
单项选择题 Whichofthefollowingcommandscanbeusedtodetermineifadiskdriveiscausingabottleneck?（）
单项选择题 Whatistheproperwaytostartasystemdumponthedefaultprimarydumpdevice?（）
单项选择题 WhichfileisNOTcontrolledbythealogcommand?（）
