单项选择题

Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?（）

A.iostatdisk11
B.iostat-ddisk12
C.iostatdisk21
D.iostat-ddisk22

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单项选择题

CompanycomhasseveralCR3HMCsmanagingtheirp690servers.Theyhavepurchasedanewp5570andwouldliketomanagethenewsystemwithanexistingHMC.Whatisrequiredtosupportthisenvironment?（）

A.FreeuponeHMCandupdatethesoftwareforusewiththep5570
B.Connectthenewp5570servertoanexistingHMCandmanagethep690sandp5570fromthatHMC
C.OrderanewHMCtosupportthenewp5570serversincetheCR3HMCisnotsupportedforap5570
D.BackuptheHMCtoDVD-RAMandselectHMCmigratetomovealltheprofiledatatothenewHMCsoftware

单项选择题

Whichofthefollowingdbxcommandsshouldbeusedtoobtainastacktracefromacoredumpfile?（）

A.trace
B.where
C.status
D.which