PSM-I認証試験の問題集解答を提供しています [2024年09月]
更新されたPSM-I試験練習テスト問題
Scrum PSM-I（Professional Scrum Master I）試験は、認定スクラムマスターになりたい個人の知識とスキルをテストするために設計された認定試験です。スクラムは、協力、柔軟性、反復開発を強調したソフトウェア開発の人気のフレームワークであり、スクラムマスターはスクラムプロセスのキーとなる役割であり、チームの進捗を促進し、スクラムのベストプラクティスが守られていることを確認する責任を持っています。
Scrum PSM-I認定試験は、アジャイルおよびスクラムの方法論でキャリアアップしたい個人にとって理想的な選択肢です。この試験は、スクラムの基本的な理解を持ち、自分の知識とスキルを検証したいすべての人に開放されています。また、すでにスクラムチームで働いているプロフェッショナルがフレームワークの理解を深めたい場合にも適しています。
質問 # 127
The CEO asks the Development Team to add a "very important" item to a Sprint that is in progress. What should the Development Team do?
- A. Add the item to the current Sprint without any adjustments.
- B. Add the item to the current Sprint and drop an item of equal size.
- C. Inform the Product Owner so he/she can work with the CEO.
- D. Add the item to the next Sprint.
正解：C
質問 # 128
What is included in the Sprint Backlog?
- A. Any of the above (or others) which are a decomposition of the selected Product Backlog items.
- B. Tests.
- C. Tasks.
- D. Use Cases.
- E. User Stories.
正解：A
解説：
The correct answer is E, because any of the above (or others) which are a decomposition of the selected Product Backlog items can be included in the Sprint Backlog. The Scrum Guide states that "the Sprint Backlog is the set of Product Backlog items selected for the Sprint, plus a plan for delivering the product Increment and realizing the Sprint Goal." Therefore, any work items that help the Development Team achieve the Sprint Goal can be part of the Sprint Backlog.
質問 # 129
A properly functioning Scrum Team will have at least one Release Sprint and may well have several.
- A. True
- B. False
正解：B
解説：
According to the Scrum Guide1, there is no such thing as a Release Sprint in Scrum. A Release Sprint implies that there are other Sprints that don't produce a potentially releasable Increment, which violates the core principle of Scrum. Every Sprint should result in a "Done", useable, and potentially releasable product Increment.
質問 # 130
Who must attend the Daily Scrum?
- A. The Development Team and Product Owner.
- B. The Scrum Master and Product Owner.
- C. The Development Team.
- D. The Scrum Team.
- E. The Development Team and Scrum Master.
正解：D
解説：
According to the Scrum Guide1, the Daily Scrum is an event for the Developers of the Scrum Team. The purpose of the Daily Scrum is to inspect progress toward the Sprint Goal and adapt the Sprint Backlog as necessary, adjusting the upcoming planned work. The Scrum Master and Product Owner may attend as observers, but only if it is useful for the Developers.
質問 # 131
Which of the following best describes an increment of working software? (Choose the best answer.)
- A. A decomposition of all Product Backlog items into tasks for future Sprint Backlog lists.
- B. Additional features in a usable state that complement those delivered in previous iterations.
- C. UML diagrams that describe how to deliver functionality in future iterations.
- D. A new user interface design for functionality delivered in previous iterations.
- E. An automated test suite to verify functionality delivered in previous iterations.
正解：B
質問 # 132
Which technique is the best way the Scrum Master can ensure that the Development Team communicates effectively with the Product Owner?
- A. Monitor communications between them and facilitate direct collaboration.
- B. Teach the Product Owner about the technologies employed during the Sprints.
- C. Act as a go-between for them.
- D. Teach the Development Team to talk in terms of business needs and objectives.
正解：A
解説：
The correct answer is A, because the best way the Scrum Master can ensure that the Development Team communicates effectively with the Product Owner is to monitor communications between them and facilitate direct collaboration. The Scrum Guide states that "the Scrum Master serves the Product Owner in several ways, including ... facilitating Scrum events as requested or needed." Therefore, the Scrum Master should help the Development Team and the Product Owner interact regularly and productively during the Sprint Planning, Daily Scrum, Sprint Review, and Sprint Retrospective events.
質問 # 133
Which three of the following are time-boxed events in Scrum? (Choose three.)
- A. Release Retrospective.
- B. Daily Scrum.
- C. Sprint Planning.
- D. Sprint Testing.
- E. Sprint 0.
- F. Sprint Retrospective.
- G. Release Testing.
正解：B、C、F
質問 # 134
Which output from Sprint Planning provides the Development Team with a target and overarching direction for the Sprint?
- A. Sprint Review minutes.
- B. The Sprint Backlog.
- C. The release plan.
- D. The Sprint Goal
正解：D
質問 # 135
Which three behaviors demonstrate that a team is self-organizing? (Choose three.)
- A. Development Team members collaboratively selecting their own work during the Sprint.
- B. The Development Team has all the skills needed to create a releasable Increment.
- C. The Development Team members are working within the boundaries of their functional description and nicely handing off work from analyst to developer to tester to integration.
- D. The Product Owner doesn't need to be at Sprint Retrospectives.
- E. The Development Team creating their own sprint backlog, reflecting all work that is part of the definition of "Done".
- F. The Scrum Master is no longer needed.
- G. The Development Team inviting external people to the Sprint Planning to ask them how to turn a Product Backlog item into an Increment via a complete and detailed Sprint Backlog.
- H. Stakeholders walking in at the Daily Scrum to check progress and work with the Scrum Master to optimize the functional scope for the Sprint.
正解：C、G、H
質問 # 136
How much work must a Development Team do to a Product Backlog item it selects for a Sprint?
- A. All development work and at least some testing.
- B. As much as it has told the Product Owner will be done for every Product Backlog item it selects in conformance with the definition of "Done".
- C. As much as it can fit into the Sprint. Any remaining work will be transferred to a subsequent Sprint.
- D. A proportional amount of time on analysis, design, programming, testing, and documentation.
正解：B
質問 # 137
A member of the Development Team takes the Scrum Master aside to express his concerns about data security issues. What should the Scrum Master do?
- A. Ask the person to share the issue with the team as soon as possible.
- B. Create a Product Backlog item for security.
- C. Tell the Product Owner to stop further development of features until the issues are fixed.
- D. Add security to the definition of "Done".
- E. Go check with the testers.
正解：A
質問 # 138
What two factors are best considered when establishing the Sprint length? (Choose two.)
- A. The organization has mandated similar length sprints.
- B. The frequency at which team formation can be changed.
- C. The level of uncertainty over the technology to be used.
- D. The risk of being disconnected from the stakeholders.
正解：C、D
解説：
The correct answers are B and D, because the length of the Sprint should be chosen based on the level of uncertainty over the technology to be used and the risk of being disconnected from the stakeholders. The Scrum Guide states that "Sprints have consistent durations throughout a development effort. A new Sprint starts immediately after the conclusion of the previous Sprint. Sprints enable predictability by ensuring inspection and adaptation of progress toward a Sprint Goal at least every calendar month. When a Sprint's horizon is too long the Sprint Goal may become invalid, complexity may rise, and risk may increase."
質問 # 139
How should a Development Team deal with non-functional requirements?
- A. Handle them during the Integration Sprint preceding the Release Sprint.
- B. Assign them to the lead developers on the team.
- C. Ensure every Increment meets them.
- D. Makesure the release department understands these requirements, but it is not the Development Team's responsibility.
正解：C
質問 # 140
Multiple Scrum Teams working on the same project must have the same Sprint start date.
- A. True
- B. False
正解：B
解説：
The correct answer is B, because multiple Scrum Teams working on the same project do not have to have the same Sprint start date. The Scrum Guide states that "multiple Scrum Teams often work together on the same product. One product goal unites them. Therefore, they must mutually define and comply with a definition of 'Done' that applies to their combined work product." Therefore, the synchronization of multiple Scrum Teams is based on their shared product goal and definition of 'Done', not on their Sprint start date.
質問 # 141
A Product Owner wants advice from the Scrum Master about estimating work in Scrum. Which of these is the guideline that a Scrum Master should give? (Choose the best answer.)
- A. Estimates must be in relative units.
- B. Scrum forbids estimating.
- C. Product Backlog items must be estimated in story points.
- D. Estimates are made by the Product Owner, but are best checked with the Development Team.
- E. Estimates are made by the people doing the work.
正解：E
解説：
According to the Scrum Guide, estimates are made by the people doing the work, which is the Development Team. The Development Team is responsible for all estimates in the Product Backlog and the Sprint Backlog. The other options are not valid guidelines for estimating work in Scrum, as they are either too prescriptive (such as requiring story points or relative units), incorrect (such as forbidding estimating or having the Product Owner make estimates), or unnecessary (such as checking estimates with the Development Team).
質問 # 142
A product Increment must be released to production at the end of each Sprint.
- A. True
- B. False
正解：B
解説：
Explanation/Reference:
質問 # 143
When many Scrum Teams are working on the same product, should all of their increments be integrated every Sprint?
- A. Yes, otherwise the Product Owners (and stakeholders) may not be able to accurately inspect what is done.
- B. No, that is far too hard and must be done in a hardening Sprint.
- C. Yes, but only for Scrum Teams whose work hasdependencies.
- D. No, each Scrum Team stands alone.
正解：A
質問 # 144
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スクラムPSM-I試験は、スクラムを完全に理解する必要がある挑戦的なテストです。この試験では、スクラムの原則と価値、スクラムの役割、イベント、アーティファクト、スクラムの枠組みを含むさまざまなトピックをカバーしています。この試験は、実際のシナリオでスクラムを適用する候補者の能力と、フレームワークの根本的な原則に関する知識をテストするように設計されています。
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