⟩ Explain Which three statements are correct regarding Layer 2 overlay VPNs and peer-to-peer VPNs?A.Peer-to-peer VPNs require the establishment of virtual circuits to connect the different customer sitestogether.B.Peer-to-peer VPNs require the service provider to participate in the customer routing, acceptingcustomer routes, transporting them across the service provider backbone, and finally propagating them toother customer sites.C.With peer-to-peer VPNs, the service provider is responsible for transport of Layer 2 frames betweencustomer sites, and the customer takes responsibility for all higher layers.D.The implementation of Layer 2 overlay VPNs is the traditional switched-WAN model, implemented withtechnologies like X.25, Frame Relay or ATM.E.With Layer 2 overlay VPNs, the service provider is not aware of customer routing and has noinformation about customer routes.F.It is simple to implement Layer 2 overlay VPNs because the Customer Edge (CE) router just needs aconnection to the Ser