Refer to the exhibit. Which process does the Ethernet LMI protocol follow that is defined by the MEF 16 Technical Specification?

A company wants to switch from static routing to a dynamic routing protocol to ease the administrative and operational overhead. The network topology is hub and spoke, and the branches use DMVPN back to the hub using two 100 Mbps internet connections. Both links must be used due to spikes in traffic, and routing must take traffic utilization of the links into account.
Also, the branch routers have limited memory and CPU resources.
Which routing protocol and design solution must the company choose?

Refer to the exhibit. Which action would make the router the active VRRP router?

What is the function of the multicast Reverse Path Forwarding check?

An engineer is designing a WAN solution for a customer with teams in different branch locations that need to communicate. The teams also need to access enterprise applications hosted in the data center and the cloud. The customer also must provide guests with connectivity to the internet only, and the internet gateway is located in the data center. Which solution must the engineer choose?