Implementing and Operating Cisco Security Core Technologies (SCOR) — Question 544

Which API technology with SDN architecture is used to communicate with a controller and network devices such as routers and switches?

Answer options

• A. rest APIs
• B. northbound APIs
• C. southbound APIs
• D. unprotected APIs

Correct answer: C

Explanation

The correct answer is C, southbound APIs, which are specifically designed for communication between the SDN controller and the network devices. Option A, rest APIs, refers to a type of web service protocol, while B, northbound APIs, facilitate communication between the controller and applications, and D, unprotected APIs, does not pertain to the secure communication needed in an SDN environment.