单项选择题
Whenwillan'allconfiguration'backupbeimportedintotheCiscoUCSManager？（）
A.Duringtheinitialconfigurationfromtheconsole
B.Oncethebasicconfigurationhasbeenapplied
C.Torestoretheconfigurationonasecondaryfabricinterconnect
D.Toupgradethefirmwareonareplacementfabricinterconnect