You are developing a Windows Presentation Foundation (WPF) application. During unit testing you identify several bottlenecks by using Windows Task Manager and Windows performance Monitor.
You need to recommend a system test strategy that will meet the following requirements:
- identify major application workloads
- identify the functions of the application that are most impacted
Which testing strategy should you recommend?
A. Usability testing
B. Security testing
C. Stability testing
D. Scalability testing
