CCNA: Cisco Certified Network Associate — Question 679

What is a function of a northbound API?

Answer options

• A. It relies on global provisioning and configuration.
• B. It upgrades software and restores files.
• C. It supports distributed processing for configuration.
• D. It provides a path between an SDN controller and network applications.

Correct answer: D

Explanation

The correct answer, D, is accurate because a northbound API serves as a communication interface between an SDN controller and the applications that utilize the network. The other options describe functions that are not relevant to the specific purpose of a northbound API.