What are the project characteristics that would require an agile versus a predictive approach?

In the textbook, read the Case Study: JWD Consulting’s Project Management Intranet Site Project (Agile Approach), on pages 117- 126 (Schwalbe, 2015), and answer the following questions. What are the project characteristics that would require an agile versus a predictive approach? (Describe characteristics of projects that require and agile approach and of projects that require a predictive approach.) What are the Scrum roles, artifacts and ceremonies? During project initiation, planning, executing, controlling and monitoring, and closing how are scrum activities different than those of a predictive methodology?