200-301 · Question #976
Drag and Drop Question Drag and drop the characteristics of northbound APIs from the left onto any position on the right. Not all characteristics are used. Answer:
The correct answer is communicates between the SDN controller and the data plane; supports network virtualization protocols; uses OpenFlow to interface between the data and control planes; supports automation; communicates between the SDN controller and the application plane; supports data sharing between systems; supports REST-based requirements. Northbound APIs in SDN architecture facilitate communication between the SDN controller and the application plane (not the data plane), allowing applications to request network services and resources. They typically support REST-based requirements, enabling programmatic interacti
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Drag items
Correct arrangement
- communicates between the SDN controller and the data plane
- supports network virtualization protocols
- uses OpenFlow to interface between the data and control planes
- supports automation
- communicates between the SDN controller and the application plane
- supports data sharing between systems
- supports REST-based requirements
Explanation
Northbound APIs in SDN architecture facilitate communication between the SDN controller and the application plane (not the data plane), allowing applications to request network services and resources. They typically support REST-based requirements, enabling programmatic interaction between the controller and business applications, and support automation by allowing applications to dynamically configure and manage network behavior. The correct answers reflect the northbound API's role in bridging the controller and application layer through standardized interfaces.
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