A. Purchase one computer and create images for each computer configuration and OS. Re-image the
machine for each testing environment.

B. Purchase a number of low-cost devices, installing the required Oss and applications on each one. Use
separate machines for each testing environment.

C. Purchase a high-end system meeting the hardware requirements for all of the individual Oss and
applications. Configure a VM for each testing environment.

D. Purchase a number of computers, installing a VM on each one. Configure each VM with an OS for the
testing environment.