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The Sprint Review is held at the end of the sprint to demonstrate the increment, gather feedback, and update the Product Backlog.
Agile promotes iterative progress through small, frequent releases and continuous collaboration with stakeholders.
The Spiral Model emphasizes risk analysis and mitigation in each iterative cycle, combining elements of both design and prototyping.
The Agile Model’s flexibility and iterative nature make it ideal for projects where requirements may change frequently.
A sprint is the fundamental cycle of development in Scrum. It’s a fixed-length iteration where ideas are turned into a valuable increment of the product.
The Product Owner is the single point of accountability for the Product Backlog. They are responsible for maximizing the value of the product by defining and prioritizing the backlog items.
The V-Model’s key strength is its explicit mapping of development phases to testing levels. This ensures that test planning and design happen early, rather than being an afterthought.
Unit tests are designed to verify the smallest testable parts of the software (e.g., functions, methods). These are defined in the Low-Level Design document.
The sequential nature of Waterfall makes it very inflexible. Going back to a previous phase to make a change is costly and disruptive to the project plan.
The structure of the V-Model, with development activities on the left (downstroke) and testing activities on the right (upstroke), visually represents the link between Verification and Validation.