How are TPPs identified and maintained in SERENA?

The correct answer is based on the structured approach to tracking Training Project Plans (TPPs) in SERENA, which emphasizes organization and efficiency. TPPs are identified and maintained using serialization numbers, which provide a unique identifier for each plan. This unique identification is crucial as it prevents confusion that might arise from using common project titles or manager names, which could lead to multiple entries looking similar.

Additionally, separating TPPs by Learning Center ensures that each center can easily access and manage its projects effectively. This organization enhances clarity and allows for streamlined oversight of the training projects relevant to specific learning objectives or competencies within each center. By focusing on both the serialization number and the Learning Center, SERENA facilitates better project management and tracking, ensuring that updates, revisions, and evaluations can be handled systematically.

The other options may seem relevant but do not provide the same level of systematic organization that serialization and separation by Learning Center achieve. For example, identifying TPPs by project title could lead to duplicate titles, while using project manager names might not yield a stable tracking method if personnel change. Similarly, categorizing by training phase may not adequately reflect all necessary details about the TPPs, as these phases can overlap or vary significantly among projects.