WhichstatementsarecorrectforforwardingtrafficintoMPLSTEtunnels？（）

A.Autoroutecausesthetunneltobetreatedasadirectlyconnectedlinktothehead-end.
B.AutoroutecausestheTEhead-endtoestablishIGPadjacencywiththetail-endoverthetunnel.
C.ForwardingadjacencymakestheTEhead-endnodeadvertisetheTunnelLSPintotheIGP.
D.ForwardingadjacencysupportsunequalcostloadbalancingovermultipleTEtunnels.

【参考答案】

A, C, D