One of the most essential agile themes, and the correct response, ties together the fundamental concepts of prioritization, incremental delivery, and test-driven development. This lends credence to the early delivery of business value
and is an essential component of agile methods. The other responses are incorrect because tasks should never be delivered without being tested first; presenting all deliverables at the end of a project is setting up the entire project
to fail; unlike predictive projects, agile projects don’t utilize a project plan.