单项选择题

Howcanpermissionsbesetupon／tmpsothatausercannotdeleteanotheruser’sfiles？（）

A.chmod+s/tmp
B.chmod775/tmp
C.chmod1777/tmp
D.chmod4755/tmp

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单项选择题

Whichofthefollowingparameterscanpreventpacketfragmentationonrouterswhenconnectingtoremotenetworks？（）

A.mtu
B.sb-max
C.rfc1323
D.tcp_mssdflt

单项选择题

AcustomerneedsanOracleDatabaseServer.Basedonthecustomer’ssizingdata，theIBMOracleCompetencyCenterhasdeterminedthattheserverrequirementscanbemetwitha4-wayp5-550ora4-wayp5-570.IfthepSeriestechnicalspecialistproposesap5-570versusap5-550system，whatkeydifferencesshouldbepointedouttothecustomer？（）
A.Thep5-570israckmountedbutthep5-550isnot.
B.Thep5-570willprovidemoregrowth，butatahighercost.
C.Thep5-570is200-240voltonlyandthep5-550is110voltonly.
D.Thep5-570needsaspecialfeaturetobecomeadesksidemachine.

A.Basedonthecustomer’ssizingdata，theIBMOracleCompetencyCenterhasdeterminedthattheserverrequirementscanbemetwitha4-wayp5-550ora4-wayp5-570.IfthepSeriestechnicalspecialistproposesap5-570versusap5-550system，whatkeydifferencesshouldbepointedouttothecustomer？（）
A.Thep5-570israckmountedbutthep5-550isnot.
B.Thep5-570willprovidemoregrowth，butatahighercost.
C.Thep5-570is200-240voltonlyandthep5-550is110voltonly.
D.Thep5-570needsaspecialfeaturetobecomeadesksidemachine.