In a cisco SD-Access brownfield deployment scenario, which configuration deployment must be taken with Cisco DNA center?

Which two statements about VRRP are true? (Choose two.)

When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

What is the easiest way to enable SD-Access for all your remote sites after you have your campus SD-Access fabric up and running?

Refer to the exhibit. A customer wants to adopt a dynamic site-to-site VPN solution to secure communication for VoIP, video, and FTP traffic between the remote branches and the headquarters. The customer also wants the branches to communicate directly, thereby reducing traffic at the headquarters location. The solution most consider that the branch routers are limited in available memory. Which VPN solution meets these requirements?