单项选择题

Companycomispurchasinga64－wayp5595.Theyhavedeterminedthelocationfortheserverisinadatacenterwhichdoesnothavearaisedfloor.Whichofthefollowingwouldbestmeettheserverrequirements?（）

A.Theservermustbeinstalledintoalocationwitharaisedfloorforoptimumsystemcooling
B.
C.Theservershouldbepurchasedasap5590andthenupgradedtoap5595.Thiswilleliminatetheneedforaraisedfloorenvironment.
D.Theservershouldbepurchasedas32-wayp5595andthenupgradedtoa64-way.Thiswilleliminatetheneedforaraisedfloorenvironment.
E.TheservercanbeinstalledintoalocationwithoutaraisedfloorifanRPQisobtained.ItisastrongIBMrecommendationforaraisedfloor,notarequirement.

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ASystempadministratorneedstosetthedefaultpasswordlengthforalluserstosixcharacters.Whichofthefollowingfilesneedstobeeditedtoaccomplishthis（）

A./etc/security/limits
B./etc/security/mkuser.sys
C./etc/security/priv
D./etc/security/user

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Atwo-nodeclusterprovidesNFSexportstoavarietyofUNIXclients.Duringfallovertesting，itisdeterminedthatsomeclientsareunabletomounttheexportedfilesystemsafterfallover，andbeforenodereintegration.Itisverifiedthatthefilesystemsbelongtoaresourcegroupandarecorrectin/usr/es/sbin/cluster/etc/exports.Whichofthefollowingmayprovideapossiblesolutiontothisproblem？（）
A.UseHWATforIPATtoprovidemorereliableNFSserving.
B.UseAIXFastConnecttoprovidemorerobustNFSserving.
C.UseNFSCrossMountingtoallowbothnodestoexportNFSproperly.
D.Usethe"FilesystemMountedbeforeIPConfigured"flagtoprovidemorepredictableNFSserving.

A.Duringfallovertesting，itisdeterminedthatsomeclientsareunabletomounttheexportedfilesystemsafterfallover，andbeforenodereintegration.Itisverifiedthatthefilesystemsbelongtoaresourcegroupandarecorrectin/usr/es/sbin/cluster/etc/exports.Whichofthefollowingmayprovideapossiblesolutiontothisproblem？（）
A.UseHWATforIPATtoprovidemorereliableNFSserving.
B.UseAIXFastConnecttoprovidemorerobustNFSserving.
C.UseNFSCrossMountingtoallowbothnodestoexportNFSproperly.
D.Usethe"FilesystemMountedbeforeIPConfigured"flagtoprovidemorepredictableNFSserving.