Which model describes five levels of maturity within an organization's operational or software capabilities?

The Capability Maturity Model Integration (CMMI) is the model that articulates five levels of maturity in terms of an organization's processes and capabilities. CMMI provides a framework for organizations to assess their practices, improve performance, and ensure quality in their software development and operational processes. The five levels of maturity range from initial (where processes are unpredictable and reactive) to optimizing (where processes are stable and refined through continuous improvement).

This model is widely recognized and used across various industries to help organizations systematically improve their performance. Each level represents a degree of sophistication in processes, and as an organization progresses through these stages, it improves its ability to manage and control its processes effectively, enhancing overall efficiency and product quality.

In contrast, the other choices serve different purposes entirely: PCI DSS focuses on security standards for payment card transactions, GDPR governs data privacy and protection regulations in the EU, and COPPA addresses the protection of children's online privacy. None of these options relate to assessing or improving operational or software capabilities in a structured maturity framework like CMMI does.