200-301: Cisco Certified Network AssociateDemo

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QuestionQ1167

Automation and Programmability

What is the purpose of a southbound API in a controller-based networking architecture?

  • A facilitates communication between the controller and the applications
  • B allows application developers to interact with the network
  • C integrates a controller with other automation and orchestration tools
  • D facilitates communication between the controller and the networking hardware
Explanation

A southbound API is the interface a network controller uses to communicate with and program the underlying network infrastructure, such as switches, routers, and other forwarding devices. In software-defined and controller-based networking, this controller-to-device interface is distinct from northbound APIs, which are used by applications and higher-level automation systems.

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