In a Network Function Virtualization reference architecture, which two statements about virtualized network functions ar

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In a Network Function Virtualization reference architecture, which two statements about virtualized network functions are true? (Choose two.)

A. VNF is the totality of all hardware and software components that build up the NFV environment.
B. One VNF can be deployed over multiple VMs, where each VM hosts a single component of the VNF.
C. VNF functionally includes control and management of the compute, storage, and network resources in the NFV framework.
D. VNF is a virtualization of a legacy network function.
E. VNF performs the orchestration and lifecycle management of the software resources that supports the virtualized infrastructure.