A . appcmd add app /app.name:contoso /path:/hr /physicalPath:c:\websites\hr
B . appcmd add site /name:hr /physicalPath:c:\websites\hr
C . appcmd add vdir /app.name:contoso /path:/hr /physicalPath:c:\websites\hr
D . appcmd set vdir /vdir.name:hr /path:/hr /physicalPath:c:\websites\hr
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