A.20%
B.40%
C.60%
D.80%
第1题：
ToexaminetheExhibit，presstheExhibitbutton.WhileadeveloperiscompilingaCprogram，"vmstat12010"isruntodeterminethecauseofaperformanceproblem.Usingthevmstatoutputasshownintheexhibit，whichofthefollowingconclusionsismostappropriatetodrawaboutthemachine？（）
A.Themachinehastoomanyusers.
B.ThemachinehasanI/Obottleneck.
C.ThemachinehasaCPUbottleneck.
D.Themachinehasamemorybottleneck.
第2题：
A.mklv-tjfslog-yLVnameVGname1PVnamelogform/dev/LVname chfs-alog=/dev/LVname/filesystemnamem ountandunmountfilesystem
B.mklv-tjfslog-yLVnameVGnamePVnameunmountfilesystemvi/etc/filesystems，changeentryforlvtopointfilesystemtonewJFSlogmountfilesystem
C.mklvcopy-ajfslog-yLVnameVGname1PVname chfs-alog=/dev/LVname/filesystemname unmountandmountfilesystem
D.mklvcopy-tjfslog-yLVnameVGname1PVname logform/dev/LVname vi/etc/filesystems，changeentryforlvtopointfilesystemtonewJFSlog unmountandmountfilesystem
第3题：
ToexaminetheExhibit，presstheExhibitbutton.WhileauseriscompilingaCprogram，"vmstat12010"isruntodeterminethecauseofaperformanceproblem.Giventhevmstatoutputasshownintheexhibit，whichofthefollowingconclusionsismostappropriatetodrawaboutthemachine？（）
A.Themachinehastoomanyusers.
B.ThemachinehasanI/Obottleneck.
C.ThemachinehasaCPUbottleneck.
D.Themachinehasamemorybottleneck.
第4题：
A.ThereisafileI/Obottleneck.
B.Therearetoomanyopenfiles.
C.Thereappearstobeabuffershortage.
D.ThereisapagingspaceI/Obottleneck.