Which option is used to manage virtual operating systems?
Answer Description
A hypervisor hosts multiple guest operating systems as virtual machines. A Keyboard Video Monitor (KVM) switches a set of peripherals between devices. A cloud PC is a term we just made up. A virtual switch is a software based switch that can direct traffic, but does not host other virtual systems.
Wikipedia
A hypervisor or virtual machine monitor (VMM) is a computer software, firmware or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called a guest machine. The hypervisor presents the guest operating systems with a virtual operating platform and manages the execution of the guest operating systems. Multiple instances of a variety of operating systems …
Hypervisor - Wikipedia, the free encyclopedia