Which enterprise WAN transport virtualization technique meets the requirements?

Refer to the exhibit.

An architect must design an enterprise WAN that connects the headquarters with 22 branch offices. The number of remote sites is expected to triple in the next three years.

The final solution must comply with these requirements:

✑ Only the loopback address of each of the enterprise CE X and Y routers must be advertised to the interconnecting service provider cloud network.

✑ . The transport layer must carry the VPNv4 label and VPN payload over the MP-BGP control plane.

✑ . The transport layer must not be under service provider control.

Which enterprise WAN transport virtualization technique meets the requirements?
A . EIGRP Over the Top
B . MPLS over BGP over multipoint GRE
C . DMVPN per VRF
D . point-to-point GRE per VRF

View Answer

Answer: B