Given the following MPLS L2 configuration command:
	mpls-relay 10.1.1.1 4
	Which two statements true? ()(Choose two.)
	A. This command is applied to the core router facing interface.
	B. This command is applied to the customer facing interface.
	C. The 4 is locally significant and identifies the layer 2 circuit.
	D. The 4 must match exactly on the peer router configuration on the remote end.
 
                            