Answer: Switch1>enable
Explanation:
Switch1#config t
Switch1(config)#interface fa0/12
Switch1(config-if)#switchport mode access
Switch1(config-if)#switchport port-security maximum 2
Switch1(config-if)#switchport port-security violation shutdown
Switch1(config-if)#no shut
Switch1(config-if)#end
Switch1#copy run startSwitch1>enable
Switch1#config t
Switch1(config)#interface fa0/12
Switch1(config-if)#switchport mode access
Switch1(config-if)#switchport port-security maximum 2
Switch1(config-if)#switchport port-security violation shutdown
Switch1(config-if)#no shut
Switch1(config-if)#end
Switch1#copy run start