A.qos-group B.DSCP C.LFI D.NBAR
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.
A.Both RTA and RTB will do LSA7/5 translation,since they are both NSSA ABRs B.RTA will do LSA7/5 translation,since it has the lower router ID C.RTB will do LSA7/5 translation,since it has the higher router ID D.The redistributing router will do LSA7/5 translation,since it is within the NSSA