Anadministratorattemptedtorunasar-ureportandreceivedthefollowingerror:sar:0551-201Cannotopen/var/adm/sa/sa12.Whichofthefollowingshouldbescheduledinadm’scrontabtoenablesarreporting()
A. sar
B. sa1
C. vmo
D. iostat
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体适能测试结果可反映锻炼者的健康状况,是健身教练制定健身计划的基本依据。()
ASystemAdministratorneedstodetermineifthesystemhasthelatestversionofperfmgrandifthefilesetscopiedtothe/tmpdirectoryarethelatest.Whichofthefollowingcommandsequenceswouldberequiredtoaccomplishthis?()
A. lslpp-lperfmgr.*;cd/tmp;installp-ld
B. smittylist_software;oslevel-g
C. smittylist_software;lslpp-fperfmgr*
D. cd/usr/sys/install.images;ls-la;cd/tmp;ls-la
椭圆仪训练器可以采用向前和向后不同的两个方向。()