Which phase of the project life cycle develops a consumable solution in a collaborative and incremental manner?

The phase of the project life cycle that develops a consumable solution in a collaborative and incremental manner is the construction phase. During this phase, the focus is on the actual development of the solution, where team members work together to build and refine the product iteratively. This aligns closely with agile principles, emphasizing close collaboration among team members and engaging stakeholders to ensure that the product being built meets the users' needs and can be delivered incrementally.

In the construction phase, teams typically create increments of the solution that can be tested, reviewed, and adapted, allowing for continuous improvement based on feedback. This enables a flexible response to changes in requirements or stakeholder feedback, which is a fundamental characteristic of agile methodologies.

The execution phase generally refers to the broader aspect of managing and implementing project activities and deliverables, not specifically focused on the iterative development of a solution. The inception phase is centered on defining the project scope, vision, and initial requirements, rather than developing the solution itself. The transition phase involves moving the completed product into the operational environment and ensuring that it is delivered to the end users, which does not involve the iterative development process characteristic of the construction phase.