TheadministratorwantstobackuptheexistingVIOserversoftwareanditscurrentconfigurationbeforeapplyinganupdate.WhatcommandwilltheadministratorusetobackuptheVIOserversoftwaresothatthebackupcanberestoredfromaNetworkInstallationManager（NIM）serveroraHardwareManagementConsole（HMC）？（）
A.mksysb-tvio\/mountpoint
B.backupios-file\/mountpoint
C.mksysb-i\/mountpoint\/vio.mksysb
D.backupios-mksysb-file\/mountpoint\/vio.mksysb
参考答案：B
