SAP / SAP Beginner (0 to 2 yrs) Interview questions
What is the difference between Waterfall and Agile approaches?
The core distinction is linear-and-fixed versus iterative-and-adaptive: Waterfall commits to a detailed plan upfront and executes it in sequential phases, while Agile plans just enough for the next short cycle and adapts based on what's learned along the way.
| Waterfall | Agile |
| Sequential phases, each fully completed before the next. | Iterative cycles (sprints), each delivering a working increment. |
| Requirements fixed upfront. | Requirements can evolve based on feedback. |
| Best when scope is well-understood and stable. | Best when requirements are likely to change or aren't fully known upfront. |
| Predictable timeline and milestones. | Flexible, responsive to changing priorities. |
Neither is universally "better" — the right fit depends on how well-defined and stable the project's requirements actually are, which is exactly why SAP's own methodology (Activate) blends both, using more Waterfall-like structure for overall project phases while incorporating Agile-style iteration within specific phases like configuration and testing.
What is the fundamental structural difference between Waterfall and Agile?
When is Waterfall generally the better fit?
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