DFD Level 0 context diagram for a multi-tenant mobile exam application with role-based access for Super Admin, School Administrator, Teachers, and Students. The system orchestrates five core processes: tenant management, user data administration, content and question bank management, exam execution, and grading with results delivery. Data flows between four databases (User, Material, Questions, Answers) and user roles through bidirectional interactions, ensuring secure separation of concerns. Fork this diagram on Diagrams.so to customize for your institution's exam workflow, add AWS service mappings, or extend with additional processes like analytics or reporting.