单项选择题
The rmss command provides the facility to run an application over a range of memory sizes and display the performance statistics. How is the simulated memory reset to the real memory of the machine？（）
A. rmss -c
B. rmss -p
C. rmss -r
D. rmss -s
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Thesystemadministratorhasbeengettingcomplaintsaboutslowperformancefromtheserver.Afterrunningvmstattheadministratornoticesaveragereadingsthatshowthefreelist（fre）approachingzero，aswellaspage-in（pi）andpage-out（po）valuestobehigh.Furthermore，theapplicationsrunningareessentialtodailybusinessoperations.Whichofthefollowingrecommendationswouldprovidethebestoverallimprovement？（）
A. Increase physical disk
B. Increase number of CPU’s
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D. Increase number of servers -
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WhichofthefollowingcommandsisusedtoadjusttheminpermandMaxpermvaluesofrealmemoryto4%and80%？（）
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B. vmtune -f4 -F80
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D. vmtune -p4 -P80 -
单项选择题
AnAIXsystemadministratorwantstoresetthelevelatwhichtheSIGDANGERsignalissenttoprocessessoappropriateactionscanbetakenwhenpagingspaceisrunninglow.Whichofthefollowingcommandsisusedtoresetthelevel？（）
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