Which two routing protocols support MPLS traffic engineering link information distribution？ （）

A.Local mechanism is at the middle-point router.
B.EXP selection is between multiple tunnels to the same destination
C.Bundle members are configured with EXP values to carry.
D.The tunnel selection is configured on the tunnel master.
E.The tunnel master bundles the tunnel members

A.LDP hello packets are sent to TCP 646.
B.LDP session packets are sent to TCP 646.
C.LDP session packets are sent to TCP 711.
D.LDP hello packets are sent to TCP 711.
E.LDP hello packets are sent to UDP 711.
F.LDP hello packets are sent to UDP 646.