Which component is part of the Cisco SD-Access overlay architecture?

Which two statements about VRRP object tracking are true? (Choose two)

An engineer is designing a multicast network for a financial application Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?

Exhibit:

How is internet access provided to a WAN edge router that is connected to a MPLS transport link?