Final answer:
The best performers in designing test scenarios are program experts and workflow experts.
Step-by-step explanation:
The best performers in designing test scenarios are program experts and workflow experts. These individuals have the necessary knowledge and expertise to accurately identify and design the appropriate test scenarios.
Less-experienced staff may not have the required skills and understanding to perform this task effectively. Therefore, option d. (b and c) is the correct answer.
Designing the test scenarios is best performed by program experts and workflow experts, which is option (d). These professionals have the experience and knowledge to understand complex systems, anticipate potential issues, and create effective testing strategies.
Having demonstrated test development, specification establishment, and troubleshooting experience will contribute to the effectiveness of the testing process.
Additionally, such experts likely have intermediate or advanced computer and digital workflow skills, which are crucial in detecting and addressing system vulnerabilities and ensuring that the testing is comprehensive.