A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?（）

单项选择题Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?（）

A. iostat disk1 1 
B. iostat -d disk1 2 
C. iostat disk2 1 
D. iostat -d disk2 2

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