A. An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.
B. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.
C. An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.
D. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.