Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）

单项选择题Whichofthefollowingtoolsshouldbeusedtoreportin-depthinformationaboutfilefragments？（）

A. defragfs
B. istat
C. filemon
D. fileplace

单项选择题Whichofthefollowingperformancetoolscanbeusedtodetermineifasystemisthrashing？（）

A. svmon and tprof
B. vmtune and schedtune
C. ps and schedtune
D. vmstat and topas

单项选择题Whichofthefollowingcommandsisusedtodisplaydetailedethernetstatisticsforent0？（）

A. ifconfig ent0
B. entstat -d ent0
C. netstat -i
D. lscfg -vl ent0

单项选择题Whenmonitoringasystemusing usr bin vmstatwithaninterval，themetricsunderpagepiandpageporepresentwhichofthefollowingphrases？（）

A. The pages to and from paging space per second
B. The page intervals and page operations per second
C. The page interrupts and page operations per second
D. The page segments transferred between pi and po devices per second

单项选择题UserscomplainanAIXserverisrunningslow.Whichofthefollowingcommandscanberuntodeterminewhatisconsumingsystemsresources？（）

A. tprof
B. lpstat
C. ps aux
D. entstat