350-701 Question #228: Real Exam Question with Answer & Explanation

The correct answer is C: northbound API. Northbound APIs (SDN northbound APIs) are typically RESTful APIs that are used to communicate between the SDN controller and the services and applications running over the network. Such northbound APIs can be used for the orchestration and automation of the network components to

Submitted by kavita_s· Mar 30, 2026Programmability and Automation

Question

Which type of API is being used when a security application notifies a controller within a software- defined network architecture about a specific security threat?

Options

Awestbound AP
Bsouthbound API
Cnorthbound API
Deastbound API

Explanation

Northbound APIs (SDN northbound APIs) are typically RESTful APIs that are used to communicate between the SDN controller and the services and applications running over the network. Such northbound APIs can be used for the orchestration and automation of the network components to align with the needs of different applications via SDN network programmability. In short, northbound APIs are basically the link between the APPLICATIONS and the SDN

Topics

#SDN architecture#Northbound API#Network automation

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