单项选择题Theadministratorchangedthenumberofvirtualprocessorsfrom1to2inthedefault_profileofanLPAR.Theoperatorranthecfgmgrcommandexpectingtosee2processorsafterthat,butdidnotseethem.Whatactionmustbedonetoapplythechanges?()
A.Reboot AIX within the LPAR.
B.Run cfgmgr against the device sys0.
C.Shutdown and then activate the default_profile.
D.Ensure the RSCT daemon is operative and run cfgmgr again.