WhichofthefollowingcommandswouldyouruntoaddyourmachinetoanNT4domain？（）
A. netrpcjoin-SPDC-UAdministrator%password
B. netadsjoin-sPDC-UAdministrator%password
C. netrpcjoin-sPDC-UAdministrator%password
D. netadsjoin-WPDC-nAdministrator%password
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WhichDebianpackagesystemcommandwilllistallpartiallyinstalledpackagesandsuggesthowtogetthemcorrectlyinstalled？（）
A. dpkg-G
B. apt-get-u
C. dpkg-Dh
D. dpkg-l
E. apt-get-y
Thecommandecho$!willproducewhatoutput？（）
A. theprocessidoflastbackgroundcommand
B. theexitstatusofthelastcommand
C. theexitstatusofthelastbackgroundcommand
D. theprocessidofthecurrentshell
E. thenameofthecommandbeingexecuted
引题的作用是（）。
A. 揭示意义
B. 交代背景
C. 烘托气氛
D. 引出主题
WhichofthefollowingistheLEASTintrusivewayofcheckingtheenvironmentforknownsoftwareflaws？（）
A. Protocolanalyzer
B. Vulnerabilityscanner
C. Portscanner
D. Penetrationtest
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