[2025年03月09日] 問題集お試しセットPSDテストエンジントレーニング問題集には165問あります
Scrum PSD問題集で100%カバー率リアル試験問題
質問 # 39
True or False: Stakeholders can be included in Product Backlog refinement.
- A. True
- B. False
正解：A
解説：
Detailed Explanation: Stakeholders may be included in Product Backlog refinement to provide clarity and additional information, helping the Scrum Team better understand the requirements and priorities.
質問 # 40
Which are obligatory scrum events?
- A. daily scrum
- B. sprint goal meeting
- C. sprint review
- D. sprint planning
- E. sprint retrospective
- F. backlog refinement
正解：A、C、D、E
解説：
If you are not sure, please review the Scrum events section in the scrum guide
質問 # 41
What are three ways Scrum promotes self-management? (choose the best three answers)
- A. By removing titles for Scrum Team members.
- B. By having the Scrum Master protect the Scrum Team.
- C. By the Scrum Team deciding what work to do in a Sprint.
- D. By being a lightweight framework.
正解：A、B、C
解説：
Detailed Explanation: Scrum promotes self-management by empowering the team to decide what work they take on, removing hierarchical titles to foster equality and collaboration, and having the Scrum Master shield the team from external disruptions so they can focus on their goals.
質問 # 42
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. Create a schedule and alternate who is responsible for the daily scrum logistics
- B. Decide the best solution and arrange a meeting to inform the developers.
- C. Allow the developers to self-manage and decide what to do their selves.
- D. Raise it as an impediment and make sure that management solves it.
正解：C
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 # 43
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 # 44
What are possible benefits from practicing Test-Driven Development? (choose the best three answers)
- A. It makes Integration Tests obsolete and by doing so saves a lot of time.
- B. It helps break down complex problems into smaller ones that are much easier to be tackled.
- C. It helps to identify gaps in understanding the desired behavior.
- D. It might lead to better code as refactoring is part of the Test-Driven Development cycle.
- E. It increases collaboration between Developers as it requires Pair Programming.
- F. It is a great way for Testers to contribute early in the Sprint as they can start creating all the tests from the beginning.
正解：B、C、D
解説：
Detailed Explanation: Test-Driven Development (TDD) helps identify gaps in understanding by requiring tests that outline the desired behavior. Refactoring ensures better code quality, and breaking problems into smaller units makes them manageable.
質問 # 45
What is static analysis?
- A. Analysis performed on software at runtime
- B. Work performed by the business analyst
- C. A tool that inspects the correctness of static keyword usage
- D. Analysis performed on code
正解：D
解説：
Static analys is performed on code (and not a running program or build).
質問 # 46
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 # 47
What are the developers responsible for? (choose two)
- A. Resolving conflicts amongst the developers
- B. Selecting the product owner
- C. Organizing work required to meet the sprint goal
- D. Reporting productivity
正解：A、C
解説：
They are concerned with everything that needs to happen to create a working increment. And they are self-managing, so resolving conflicts is something they should arrange as well.
質問 # 48
How long is the daily scrum?
- A. At least 15 minutes
- B. Around 15 minutes, but more if necessary
- C. The scrum master ends the meeting when it is done
- D. This is for the developers to decide
- E. At most 15 minutes
正解：E
解説：
The timebox for the daily scrum is 15 minutes. The timebox doesn't say anything about a minimum length, just about a maximum length.
質問 # 49
How much time will there be after a sprint before the next one starts?
- A. Enough to clean up lingering definition of done points
- B. At most a week for a one-month sprint
- C. Enough to deploy the increment and update the product backlog based on the outcome of the sprint review
- D. None, a new sprint starts immediately after the end of the previous one
正解：D
解説：
The scrum guide says: "A new Sprint starts immediately after the conclusion of the previous Sprint."
質問 # 50
When might a sprint be cancelled?
- A. When the developers feel they aren't ready
- B. When the sprint goal becomes obsolete
- C. Never, the sprint must always be finished.
- D. When the project manager decides this.
正解：B
解説：
The product owner can cancel the sprint if the sprint goal becomes obsolete. This is a very rare event. It can happen when a company losing a client or the client decides to take a completely different turn.
質問 # 51
Product backlog items are refined by
- A. Scrum team
- B. Scrum master
- C. Developers and product owner
- D. Scrum master and product owner
- E. Developers
- F. Product owner
正解：A
解説：
In the scrum guide it says: "The Scrum Team may refine these items during this process, which increases understanding and confidence."
質問 # 52
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 way to ensure product code satisfies the user requirements
- D. A technique for ensuring that units of co-dependent systems integrate correctly
正解：B
解説：
A unit test is a test that isolates and verifies the functionality of one unit.
質問 # 53
What are three of the best ways to address non-functional requirements?
- A. Specific expectations can be used as acceptance criteria to specific product backlog items
- B. Important, recurring non-functional requirements can be added to the definition of done
- C. Before the release, they should be tested and validated in a hardening sprint
- D. Include them in the Product Backlog
- E. Scrum is for functional, frontend development only
- F. Handle them during a risk mitigation phase before development
正解：A、B、F
解説：
There is no hardening sprint, there are only regular sprints. If it's an ever recurring non-functional requirement, it can be added to the definition of done. If it's not it can be added (as a criteria) in the product backlog (item).
質問 # 54
Which two ways of creating scrum teams are consistent with scrum values?
- A. Get all the people together and let them self-manage into new teams
- B. The chief product owner divides the group in teams to make sure the teams will be cross-functional
- C. Scrum master chooses a few team leads that get to pick their team
- D. Existing teams propose how they would like to go about organizing into new teams
- E. Managers assign individuals to teams
正解：A、D
解説：
There is no chief product owner. Self managing is a really important aspect of scrum, therefore the options where the people theirselves are in the lead are the best options.
質問 # 55
How much time must a product owner spend with the developers?
- A. Enough to be aware of the increment's value at the sprint review
- B. 40%, or more depending on stakeholders
- C. However much time the developers ask the PO to be present
- D. 100%
正解：C
解説：
This should not be too much in a healthy situation, and this also doesn't imply that the developers can control the PO. But when the developers need the product owner to clarify or renegotiate the work to be done, it will be an impediment if the PO is not available.
質問 # 56
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. No work is left to meet the Definition of Done.
- B. Ready for integration.
- C. All work the Developers are willing to do.
- D. Whatever the Product Owner defines as quality.
- E. Ready to be released to end users.
正解：A、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 # 57
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