Which protocol is implemented to establish secure control plane adjacencies between Cisco SD-WAN nodes?

A. IKE
B. TLS
C. IPsec
D. ESP

Which protocol is implemented to establish secure control plane adjacencies between Cisco SD-WAN nodes?

A. IKE
B. TLS
C. IPsec
D. ESP

Correct Answer: B

The WAN Edge routers form a permanent Datagram Transport Layer Security (DTLS) or Transport Layer Security (TLS) control connection to the vSmart controllers and connect to both of the vSmart controllers over each transport (mpls and biz-internet).