Which of the following performance tools can be used to determine if a system is thrashing？（）

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