WhichDebianpackagesystemcommandwilllistallpartiallyinstalledpackagesandsuggesthowtogetthemcorrectlyinstalled?()
A. dpkg-G
B. apt-get-u
C. dpkg-Dh
D. dpkg-l
E. apt-get-y
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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
新闻背景往往是新闻事实出现的()。
A. 人物
B. 缘由
C. 环境
D. 主客观条件