A.As FastEthernet0/12 will be the last to come up, it will not be blocked by STP.
B.Remote access management of this switch will not be possible without configuration change.
C.More VLANs will need to be created for this switch.
D.The switch will need a different IOS code in order to support VLANs and STP.

A.A dynamically learned MAC address is saved in the startup-configuration file.
B.A dynamically learned MAC address is saved in the running-configuration file.
C.A dynamically learned MAC address is saved in the VLAN database.
D.Statically configured MAC addresses are saved in the startup-configuration file if frames from that address are received.
E.Statically configured MAC addresses are saved in the running-configuration file if frames from that address are received.