Complete the following statement. In a VPRN, the inner label is used to _______________.

Complete the following statement. In a VPRN, the inner label is used to _______________.
A . Identify the customer network on the egress PE
B. Establish the LSPs between PE devices
C. Identify the egress PE in the MPLS domain
D. Identify the customer network on the ingress PE

Answer: A