Which statement is correct about an OSPF sham-link?

Which statement is correct about an OSPF sham-link?

A.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the
PE routers and forwards customer traffic across it.

B.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the
PE routers and carries OSPF LSAs.

C.
A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards
customer traffic across it.

D.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE
routers and carries OSPF LSAs.

E.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE

routers and forwards customer traffic across it.