A network administrator is bringing up one WAN Edge router for branch connectivity. Which types of tunnels form when the WAN edge router connects to the Cisco SD-WAN fabric? 

Answer options:

A. DTLS or TLS tunnel with vSmart controller and IPsec tunnel with vBond controller
B. DTLS or TLS tunnel with vBond controller and IPsec tunnel with vManage controller
C. DTLS or TLS tunnel with vBond controller and IPsec tunnel with other WAN Edge routers
D. DTLS or TLS tunnel with vSmart controller and IPsec tunnel with other WAN Edge routers

D

Reference: https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise-networks/sd-wan/nb-06-cisco-sd-wan-ebook-cte-en.pdf page 22