What is the purpose of a control plane node in a Cisco SD-Access network fabric?

What is the purpose of a control plane node in a Cisco SD-Access network fabric?
A . to maintain the endpoint database and mapping between endpoints and edge nodes
B. to detect endpoints in the fabric and inform the host tracking database of EID-to-fabric-edge node bindings
C. to identify and authenticate endpoints within the network fabric
D. to act as the network gateway between the network fabric and outside networks

View Answer

Answer: B

Explanation:

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html