[2025年02月]更新のScrum PSD試験練習テスト問題
更新された認定試験PSD問題集で練習テスト問題
スクラムPSD認定試験は、スクラム環境で働くソフトウェア開発者にとって貴重な認定です。スクラムの原則と実践における開発者の知識とスキルを検証し、スクラム環境で効果的に働く能力を実証します。スクラムPSD認定試験は、スクラムトレーニングと認定の大手プロバイダーであるscrum.orgによって管理されており、個人や組織がスクラムの知識とスキルを向上させるのを支援するように設計されています。
スクラムPSD認定を獲得することは、ソフトウェアの専門家にとって貴重なキャリアの動きになる可能性があります。それは、スクラムの原則と慣行の深い理解を示し、潜在的な雇用主により個人をより魅力的にします。さらに、認定されたスクラムの専門家は、scrum.orgコミュニティに参加する資格があり、他のスクラム実践者とつながり、キャリアを学び、成長し続けることができます。
質問 # 21
While developing new functionality, you find a bug that has already been delivered to the customer. What do you do?
- A. Stub out the code that causes the bug
- B. Talk to the product owner
- C. Revise the tests to hide the bug from the tests reports
- D. Fix the bug
正解：B
解説：
The product owner knows what creates most value. Since this is already delivered, it is not part of the current sprint.
質問 # 22
Which of the following are DevOps Practices? (choose the best answer)
- A. Blue-Green-Deployment.
- B. Continuous Integration / Continuous Deployment / Continuous Delivery.
- C. Blameless Post-Mortems.
- D. Hypothesis-Driven Development.
- E. Vertical Teams.
- F. All of the above.
正解：F
解説：
Detailed Explanation: DevOps practices encompass a broad range of approaches, including CI/CD, deployment strategies, and cultural practices such as blameless post-mortems, all aimed at improving collaboration and delivery.
質問 # 23
Which best describes the practice of expressing requirements as acceptance tests?
- A. Regression testing
- B. Objective Driven Development
- C. Acceptance test driven development
- D. Quality Oriented Requirements Development
正解：C
解説：
This is pretty much the definition of ATDD.
質問 # 24
While practicing Test-Driven Development, what is done after the test fails? (choose the best answer)
- A. Run it again to make sure it really fails.
- B. Refactor the test so the code passes.
- C. Implement the required functionality.
- D. Meet with the business analyst to ensure that the test is correct.
- E. Write the minimum amount of product code to satisfy the test.
正解：E
解説：
Detailed Explanation: Test-Driven Development (TDD) involves writing a failing test first, then writing the minimal code needed to make the test pass. This iterative process ensures code correctness and encourages better design.
質問 # 25
What are two differences between unit tests and integration tests?
- A. An integration test may be composed of unit tests
- B. An integration test runs overnight
- C. A unit test is automated
- D. A unit tests isolates a specific system behavior
- E. A unit tests only runs on the developer's computer
正解：A、D
解説：
Unit tests are testing the smallest units of code possible and integration tests are testing the components of the system together. Unit tests aims at isolated pieces of behavior and integration tests could be composed of unit tests to test components.
質問 # 26
True or False: User Stories are required in the Product Backlog.
- A. True
- B. False
正解：B
解説：
Detailed Explanation: User Stories are not required in the Product Backlog as per the Scrum Guide. The Product Backlog is a collection of all work to be done on the product, and it can include a variety of formats, such as tasks, features, and technical requirements, not just user stories.
質問 # 27
What is static analysis?
- A. Analysis performed on code
- B. Analysis performed on software at runtime
- C. A tool that inspects the correctness of static keyword usage
- D. Work performed by the business analyst
正解：A
解説：
Static analys is performed on code (and not a running program or build).
質問 # 28
If multiple teams are working on the same product, each team should have its own product owner
- A. True
- B. False
正解：B
解説：
One product owner per product backlog, one product backlog per product
質問 # 29
The scrum team should change in members:
- A. Never, it will reduce the velocity
- B. As needed, taking into account a short term reduction in productivity
- C. As needed, but it should not affect the productivity
- D. Every sprint to remain agile
正解：B
解説：
Changing the team members is sometimes necessary, this will have an effect on productivity. So it should only be used when really necessary.
質問 # 30
Which output from sprint planning provides the developers with a target and overarching direction for the sprint?
- A. The Sprint goal
- B. The sprint backlog
- C. The product goal
- D. Sprint review minutes
正解：A
解説：
Review the scrum guide section sprint planning if this is still an uncertainty for you.
質問 # 31
A scrum master is working with developers that are spread over different locations. They have a variety of meeting rooms and the daily scrum is a logistic struggle every day. What actions should the scrum master take?
- A. Raise it as an impediment and make sure that management solves it.
- B. Create a schedule and alternate who is responsible for the daily scrum logistics
- C. Decide the best solution and arrange a meeting to inform the developers.
- D. Allow the developers to self-manage and decide what to do their selves.
正解：D
解説：
Self management is important. All the other options the scrum master takes a decision by himself, it is better if the solution comes from the development team.
質問 # 32
A Scrum Team is required to deliver a Done Increment by the end of a Sprint. Select two statements that explain what Done means. (choose the best two answers)
- A. Whatever the Product Owner defines as quality.
- B. All work the Developers are willing to do.
- C. No work is left to meet the Definition of Done.
- D. Ready for integration.
- E. Ready to be released to end users.
正解：C、E
解説：
Detailed Explanation: An Increment is Done when it meets the Scrum Team's Definition of Done, ensuring that it is ready for release if required. It signifies no remaining work to meet quality and functionality standards.
質問 # 33
When a continuous integration build fails, who should fix it?
- A. The next person who needs the build to complete successfully
- B. The person who is responsible for configuration management within the team
- C. The tester responsible for validating builds
- D. The person who broke the build
正解：D
解説：
The build should be fixed asap, the first person to notice is the person who broke it. This person usually best understands why and is therefore the best person to fix it.
質問 # 34
Who writes tests in a scrum team?
- A. QA specialists
- B. Most junior developer
- C. The tester
- D. Scrum master
- E. Developers
- F. Product owner
正解：E
解説：
Tests are part of the development, and the development is done by the developers. There are no specific roles in scrum, even though members of the scrum team can have their own expertise.
質問 # 35
How much time does Product backlog refinement take?
- A. As much as needed without endangering the Sprint goal
- B. 10% of the senior developers
- C. 25% of the sprint capacity
正解：A
解説：
The refinement is very important and can take quite some time for that reason, however, it should not endanger the sprint goal.
質問 # 36
Cyclomatic complexity is a metric for:
- A. Determining the number of unit tests required to ensure correctness
- B. Demonstrating code is well structured and cleanly implemented
- C. Measuring branching structures and nesting levels in code
- D. Assessing if code is written in as few lines as possible
正解：C
解説：
Cyclomatic complexity is a number expressing the number of different paths that can be taken throughout the code. Higher means complex code.
質問 # 37
What is a unit test?
- A. A test that ensures a specific method integrates properly with the code calling it
- B. A test that isolates and verifies individual units of functionality
- C. A technique for ensuring that units of co-dependent systems integrate correctly
- D. A way to ensure product code satisfies the user requirements
正解：B
解説：
A unit test is a test that isolates and verifies the functionality of one unit.
質問 # 38
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スクラムフレームワークは、世界中の多くの組織によって利用されている最も人気のあるアジャイル手法の1つです。これにより、チームは短期間で高品質の製品を提供することができ、現代のビジネス界にとって重要です。その結果、スクラム開発を効果的に実装するために必要なスキルと知識を持つスクラムプロフェッショナルの需要が増しています。スクラムプロフェッショナルスクラムデベロッパー（PSD）試験を受けることで、スクラム開発の専門知識を証明することができます。
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