We've now learned about both IPv$4$ addresses and MAC addresses. Consider the address properties below, and use the pulldown menu to indicate which of these properties is only a property of MAC addresses $($and therefore is not a property of IPv$4$ addresses $-$ careful!$).$

This is a link$-$layer address.

This address is allocated by DHCP$.$

This is a $128-$bit address.

This is a $48-$bit address.

This address must be unique among all hosts in a subnet.

This is a network$-$layer address.

This is a $32-$bit address.

This address remains the same as a host moves from one network to another.