What is the minimum configuration for a router interface that is enabled for IPv$6?$

radio$\_$button$\_$unchecked

To have a link$-$local IPv$6$ address

radio$\_$button$\_$unchecked

To have both an IPv$4$ and an IPv$6$ address

radio$\_$button$\_$unchecked

To have a self$-$generated loopback address

radio$\_$button$\_$unchecked

To have both a link$-$local and a global unicast IPv$6$ address