Which one is incorrect about SDN and NFV? Group of answer choices Network functions can be virtualized without SDN, similarly, SDN can run without NFV. SDN is complementary to NFV as SDN can provide the infrastructure on which NFV can run. Network Function Virtualization (NFV) is a technology that leverages virtualization to consolidate the heterogeneous network devices onto industry standard high-volume servers, switches and storage. Software-Defined Networking (SDN) is a networking architecture that separates the control plane from the data plane and centralizes the network controller.