What does an SDN controller use as a communication protocol to relay forwarding changes to a southbound API?

Posted by: Pdfprep Category: 200-301 Tags: 200-301 exam questions, 200-301 practice exam, CCNA Post Date: May 18, 2021

What does an SDN controller use as a communication protocol to relay forwarding changes to a southbound API?
A . OpenFlow
B . Java
C . REST
D . XML

Answer: A