Which of the following statements best describes a route target?

A route target is a BGP extended community used to identify the VRF table for a prefix at the receiving PE

A route target is a mechanism from which VPRN controls the distribution of VPN routing information.

Route target attributes are earned in a MP-BGP as attributes of the route.

A route target is used by the PE router to identify the VRF that a VPN-lPv4 prefix is associated with.

All of the above statements describe a route target

None of the above statements describe a route target