A security analyst, who is working in a Windows environment, has noticed a significant amount of IPv6 traffic originating from a client, even though IPv6 is not currently in use. The client is a stand-alone device, not connected to the AD that manages a series of SCADA devices used for manufacturing. Which of the following is the appropriate command to disable the client`s IPv6 stack? A. 

B. 

C. 

D. 

C