The correct answer is: D. all of the mentioned.
A virtual machine monitor (VMM), also known as a hypervisor, is a software program that creates and runs virtual machines. A VMM allows multiple operating systems to run on a single physical computer.
A virtual machine client (VMC) is a software program that allows users to interact with virtual machines. A VMC can be used to start, stop, and manage virtual machines.
A virtual network manager (VNM) is a software program that manages virtual networks. A VNM can be used to create, delete, and configure virtual networks.
All of these programs provide system resource access to virtual machines.