A. The tests must be aligned with the defined expectations of different stakeholder groups, users In particular, system designers and operations staff

B. The tests can only be conducted, where resources allow, on complete systems and test environments that are representative of the production system.

C. The tests must be reproducible. Identical results must be obtained by repeating the tests on an unchanged system.

D. The tests must yield results that are both understandable and can be readily compared to the requirements desired by the technical team.