Which of the following is true about the server virtualization (Hypervisor)? a. Virtualization can only exist in one location b. Virtualization can only access local disk storage c. Virtualization...

Which of the following is true about the server virtualization (Hypervisor)?

a. Virtualization can only exist in one location

b. Virtualization can only access local disk storage

c. Virtualization cluster can use different type and brand of processors

d. Virtualization is useful for the software testing purposes, e.g., snapshotting.