List three advantages of using virtualization software versus adding additional physical computers.
What will be an ideal response?
Multiple guest operating systems can be installed on one host operating system.
Virtual machines eliminate the need for additional costly computers or creating unwieldy multiboot installations.
Changes you make in virtual machines do not affect your physical computer.
Snapshots of the virtual machine's state can also be saved. The snapshot allows you to revert to a previous point in time,
reversing any changes made inside the guest operating system since that snapshot.
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