Six Sigma Global Institute (SSGI) Project Management Professional Certification Practice Exam

Which of the following best describes the effectiveness of control systems?

1. They are essential for optimizing human resources.

2. They maintain control over costs, schedules, and quality standards.

3. They prioritize stakeholder communication over project execution.

4. They can adjust project plans without team input.

The correct answer is: They maintain control over costs, schedules, and quality standards.

The effectiveness of control systems is best described by their ability to maintain oversight and management over critical project parameters such as costs, schedules, and quality standards. Control systems are designed to monitor project performance throughout its lifecycle, ensuring that the project aligns with the planned objectives. By tracking these key indicators, control systems allow for timely interventions when deviations occur, thereby protecting the project from going off course. Maintaining control over costs helps ensure that the project stays within budget, while schedule control aids in meeting deadlines. Additionally, upholding quality standards is vital for delivering a product or service that meets customer expectations and fulfills project specifications. Thus, this answer distinctly captures the fundamental role of control systems in project management. In contrast, other options focus on different aspects, such as optimizing human resources or prioritizing communication, which, while important, do not reflect the primary purpose of control systems. Furthermore, the notion of adjusting project plans without team input ignores the collaborative nature that's essential in effective project management.