Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 471

What does a northbound API accomplish?

Answer options

• A. programmatic control of abstracted network resources through a centralized controller
• B. access to controlled network resources from a centralized node
• C. communication between SDN controllers and physical switches
• D. controlled access to switches from automated security applications

Correct answer: A

Explanation

The correct answer, A, describes how a northbound API allows centralized control of network resources by providing a programmatic interface. Options B and D refer to access and control mechanisms but do not specifically capture the programmatic aspect. Option C focuses on communication between controllers and switches, which is not the primary function of a northbound API.