Answering: “Which of the following describes an architecture spike?”

Understanding Architecture Spikes

An architecture spike is a practice used in Agile software development, particularly within Scrum teams, to investigate or experiment with a specific architectural approach or technology. This involves a small, time-boxed effort to learn more about a particular technical aspect of the solution being considered.

Exam Question

Which of the following describes an architecture spike?
(choose the best answer)
A. The result of an exhaustive architectural planning effort.
B. A fundamental architectural problem found in an existing application.
C. A decision made by a systems architect to settle disagreement within a Scrum Team.
D. A small development activity to learn about technical elements of a proposed solution.

Correct Answer

D. A small development activity to learn about technical elements of a proposed solution.

Explanation

Correct Answer

D. A small development activity to learn about technical elements of a proposed solution:
An architecture spike is a time-boxed experiment or development activity undertaken to explore or understand technical or architectural challenges in a proposed solution. The goal is to gain enough knowledge to make informed decisions about the architecture or technology choices in the project. Spikes help reduce uncertainty by providing a practical understanding of how a particular approach might work in the actual system.

Why the Other Options Are Less Appropriate

A. The result of an exhaustive architectural planning effort:
Architecture spikes are typically focused, time-boxed activities rather than the result of exhaustive planning. They are used to explore uncertainties in a lightweight manner, rather than as a comprehensive planning process.

B. A fundamental architectural problem found in an existing application:
While an architecture spike might be initiated to address an architectural challenge, it is not the problem itself but the investigative activity to explore solutions to the problem.

C. A decision made by a systems architect to settle disagreement within a Scrum Team:
Decisions within a Scrum Team are generally made collaboratively. An architecture spike is not about settling disagreements but about exploring technical options to inform decision-making.

Relevance to the PSD Exam

Understanding the concept of an architecture spike is important for the PSD exam, as it highlights the practical techniques used by Scrum Teams to manage uncertainty and make informed architectural decisions.

Key Takeaways

  • Architecture spikes are small, time-boxed development activities designed to explore and learn about technical or architectural aspects of a proposed solution.
  • They help reduce uncertainty by providing practical insights into the feasibility of a particular approach.
  • Spikes are used to make informed decisions, ensuring that the team can move forward with a solid understanding of the technical challenges and solutions.

Conclusion

An architecture spike is a small, focused development activity used to learn about technical elements of a proposed solution. It is a valuable technique for reducing uncertainty and making informed decisions within a Scrum team. For more information on preparing for the PSD exam, visit our Professional Scrum Developer PSDâ„¢ Exam Prep.

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