Dell EMC Associate – Information Storage and Management v5 — Question 14

What functionality does the control layer provide in a software-defined networking architecture?

Answer options

• A. Defines network behavior through physical network device policies
• B. Establishes communication between the infrastructure and interface layers
• C. Forwards data packets based on application layer requirements
• D. Extracts network information from the data plane and sends it to the application layer

Correct answer: D

Explanation

The control layer is responsible for gathering network information from the data plane and passing it to the application layer, which is why option D is correct. Options A, B, and C describe functions that are not primarily associated with the control layer, but rather with other layers or components in the SDN architecture.