Which OpenStack service manage image storage?

You are asked to reduce traffic on an MPLS VPN by automatically moving the traffic to an Internet circuit as long as it satisfies the SLA requirements.
In this scenario, what would you use to accomplish this task?

In which two scenarios is Contrail used? (Choose two.)

Your company has three connections consisting of MPLS, Internet, and wireless connections, respectively. You must separate traffic according to the type of application sending that traffic across the three links.
Which product will facilitate this requirement?

Which statement is true about the OpenConfig data model?