CCNA: Cisco Certified Network Associate — Question 1346

Which technology is appropriate for communication between an SDN controller end applications running over the network?

Answer options

• A. Southbound API
• B. REST API
• C. NETCONF
• D. OpenFlow

Correct answer: B

Explanation

The REST API is a widely used interface that allows applications to communicate with an SDN controller effectively, making it the correct choice. Southbound API is more about the communication between the controller and the network devices, while NETCONF and OpenFlow serve different purposes within the SDN architecture.