If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）

单项选择题WhatdoestheFREQcolumnshowwhenrunningthetprofoption?（）

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?（）

A. vmstat 
B. fileplace 
C. iostat 
D. lvmstat

单项选择题Whatistheproperwaytostartasystemdumponthedefaultprimarydumpdevice?（）

A. sysdumpdev -p 
B. sysdumpdev -s 
C. sysdumpstart -p 
D. sysdumpstart -s

单项选择题WhichfileisNOTcontrolledbythealogcommand?（）

A. conslog 
B. nimlog 
C. bosinstlog 
D. errlog

单项选择题Apatchhasbeenappliedtotheoperatingsystem.Afterrebooting,thesystemishung.Whichofthefollowingcommandsshouldhavebeenperformedtopreventthesystemfromhanging?（）

A. lppchk, bosboot 
B. lslpp -l, oslevel 
C. installp -C, lppchk 
D. bosboot, synclvodm