Question

Agile methods typically use a ______ model, which represents a series of iterations, or revisions, which are based on user feedback.

Answer 1

Spiral

Step-by-step explanation:

Spiral model is used in agile approach and represents iterative series based on feedback from the users. This model is used for software development of the system and is used for those projects which are long and involves high risk as it emphasizes mainly on risk analysis and management.

Spiral model is combination of 2 models iterative and sequential linear development model reflecting the waterfall model which emphasizes highly on risk analysis.