Free Practice Questions for ISTQB ISTQB-Agile-Public Exam

The acceptance criteria for a sprint focused on improving the performance of a system, like the one described for Sprint 5, typically include ensuring that the system meets specific performance benchmarks and that the functionality implemented in previous sprints continues to work as expected. Therefore, the most relevant acceptance criteria for such a sprint would be:

iii) "100% of the existing regression test suite has passed." This criterion ensures that the new performance enhancements have not adversely affected the existing functionalities of the system. It's a common practice in agile projects to maintain the integrity and quality of the system by running regression tests. This is supported by the notion that continuous testing and quality assurance are integral components of agile methodologies, ensuring that each increment of the project maintains and improves the quality of the product (Source: Agile Project Management methodologies).

iv) "System is responding in less than 3 seconds, 90% of the time." This criterion directly addresses the goal of the sprint, which is to increase the performance of the system. Setting a specific target for response times is a quantifiable and testable way to measure the improvement in performance. This aligns with agile principles, which emphasize delivering valuable, working software and encourage adaptive planning and continuous improvement. Performance targets like these help the team focus on delivering specific, valuable improvements to the system (Source: Principles behind the Agile Manifesto).

Options i) and v) are less relevant to the specific focus of Sprint 5, which is on performance improvement, and more about user roles and software compatibility, which are not directly tied to the performance objectives of the sprint. Therefore, options iii) and iv) constitute the most appropriate acceptance criteria for Sprint 5, focusing on ensuring that the system's performance meets the set benchmarks without compromising existing functionalities.

In agile projects, task management tools play a crucial role in facilitating project management and team collaboration. Specifically, option C accurately describes the primary function of a task management tool in agile contexts. These tools are designed to manage and track various elements of agile projects, including user stories, tests, tasks, and more, thereby enabling teams to maintain visibility and control over the project's progress.

Agile methodologies prioritize adaptability, customer collaboration, and the delivery of value through iterative development cycles. Task management tools support these principles by providing a platform for organizing work, prioritizing tasks, and ensuring that all team members are aligned on the project's objectives and progress. This alignment is essential for maintaining the agility and responsiveness characteristic of agile projects.

For example, the Scrum framework, a popular agile methodology, involves creating a product backlog that contains all the user stories and tasks needed for the project. The task management tool would be used to track these items through various stages of development, from the backlog to in-progress, testing, and completion. This tracking ensures that the team can adapt to changes, manage workloads effectively, and deliver increments of value to the customer consistently.

In summary, option C is the verified answer as it encapsulates the essential purpose of a task management tool in agile projects, which is to manage and track user stories, tests, and other tasks, thereby supporting the agile principles of adaptability, customer collaboration, and iterative delivery of value.