Exam 200-301 Topic 4 Question 437 Discussion

Actual exam question for Cisco's 200-301 exam
Question #: 437
Topic #: 4
What is the purpose of a southbound API in a control based networking architecture?

Suggested Answer: B Vote an answer

The correct response is B. A southbound API enables communication between the controller and network hardware. The controller uses southbound protocols to read state and push operational intent or configuration to switches, routers, and other devices. For Cisco CCNA 200-301 v1.1, the important point is the mechanism, not a generic description of the technology. Northbound APIs face applications, and integration APIs connect management or orchestration systems. When this appears in a network, the symptom normally confirms the answer: the route installed, the state selected, the packet forwarded, the wireless client behaviour, or the management workflow will follow this rule. That is why this answer is the best fit for the scenario and not just a plausible networking term.

by Valentine at Aug 08, 2026, 10:59 AM

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