单项选择题

A.Restore the configuration from NVRAM using the Switch Module Web interface 
B.Back up the configuration of the Ethernet module in bay 1 and restore it to the Ethernet module in bay 2 using the AMM 
C.Swap the modules, which will automatically resynch the settings stored in the Advanced Management Module 
D.Back up the configuration from Ethernet module in bay 2 and restore it to the module in Bay 1 using the switch CLI or Web interface