A customer is employing a complex physical network infrastructure with specialized functionality and management tools that he feels will not be supported by standard Hyper-V Network Virtualization. What is a feature of Windows Server 2012 R2 that can help interest this customer in moving to software-defined networking (SDN)?
A. Virtual IP Address Management (IPAM)B. Single root I/O virtualization
C. Multi-tenant virtual private network (VPN) gateway
D. Hyper-V Virtual Switch
Answer. D.