Which group of APIs are used by an SDN controller to communicate with various applications?
- eastbound APIs
- westbound APIs
- northbound APIs
- southbound APIs
Explanation: The SDN controller uses northbound APIs to communicate with upstream applications (such as business or SDN applications) to help administrators shape traffic and deploy services,. In contrast, southbound APIs are used by the controller to communicate with and define the behavior of downstream network elements like switches and routers.
Related exam: CCNA 3 Final Exam Answers
