What do Cisco DNA southbound APIs provide?
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Correct answer: interface between the controller and the network devices.
Why this is the answer
Cisco DNA Center's southbound APIs facilitate communication between the DNA Center controller and the underlying network devices (routers, switches, access points). These APIs are essential for the controller to discover, configure, monitor, and manage the network infrastructure. Examples include protocols like NETCONF, RESTCONF, and SNMP, which allow DNA Center to push configurations, retrieve operational data, and receive event notifications from network elements. Incorrect options: "interface between the controller and the consumer" describes northbound APIs, which allow external applications or users to interact with DNA Center. "RESTful API interface for orchestrator communication" and "NETCONF API interface for orchestrator communication" are too specific and describe types of APIs, not the general function of southbound APIs. While RESTful and NETCONF can be used southbound, the core purpose is the controller-to-device interaction, regardless of the specific protocol.
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