单项选择题AnetworkadministratorhasinstalledanN7K-F248-25XPmoduleintoanexistingchassis.Themoduleispoweredon,buttheinterfacesareallinVDC0.Whatisthereasonforthis?()
A. The chassis needs an EPLD upgrade to support the new module type.
B. The default VDC cannot support F2 modules.
C. The interfaces must be allocated into a VDC for F2 modules only.
D. The module has failed GOLD diagnostics, and the switch has isolated the ports to protect the integrity of the system.