A network engineer is troubleshooting an MPLS Layer 3 VPN and discovers that routes are being
learned by CE routers, but there is no IP connectivity. Which option is the most likely cause?

A.
The provider does not have an end-to-end label switch path.

B.
The customer does not have an end-to-end label switch path.

C.
The customer is not sharing labels with the provider.

D.
The provider is not sharing labels with the customer.

E.
The providers PE to CE routing protocol is misconfigured.

F.
The customers PE to CE routing protocol is misconfigured.