What is the purpose of ‘’vpn 0’’ in the configuration template when onboarding a WAN edge node?

What is the purpose of ‘’vpn 0’’ in the configuration template when onboarding a WAN edge node?
A . It carries control traffic over secure DTLS or TLS connections between vSmart controllers and vEdge routers, and between vSmart and vBond
B . It carries control out-of-bond network management traffic among the Vlptela devices in the overlay network.
C . It carries control traffic over secure IPsec connections between vSmart controllers and vEdge routers, and between vSmart and vManager
D . It carries control traffic over secure DTLS or TLS connections between vSmart controllers and vEdge
E . routers, and between vSmart and vBond

View Answer

Answer: A