最新的Scrum Professional Scrum Master level III (PSM III) - PSM-III免費考試真題
問題1
A Scrum Team has been working on a product for nine Sprints. A new Product Owner comes in, understanding he is accountable for the Product Backlog. However, he is unsure about his responsibilities.
Which two activities are part of the Product Owner role according to Scrum?
A Scrum Team has been working on a product for nine Sprints. A new Product Owner comes in, understanding he is accountable for the Product Backlog. However, he is unsure about his responsibilities.
Which two activities are part of the Product Owner role according to Scrum?
正確答案:
According to Scrum, theProduct Owneris accountable formaximizing the value of the productand for effectiveProduct Backlog management. Two key activities that are explicitly part of this role are:
1. Ordering the Product Backlog to Maximize Value
The Product Owner is responsible forordering the Product Backlogso that the most valuable work is done first. This ordering reflects:
* Business and customer value,
* Risk and uncertainty,
* Strategic goals and learning from previous Sprints.
Through this activity, the Product Owner ensures that the Scrum Team is always working on what matters most.
2. Ensuring Product Backlog Items Are Transparent, Clear, and Understood The Product Owner ensures that Product Backlog Items are:
* Clearly expressed,
* Transparent to the Scrum Team and stakeholders,
* Understood well enough for Developers to select them during Sprint Planning.
This does not mean writing detailed requirements alone, butcollaboratingso that shared understanding exists.
1. Ordering the Product Backlog to Maximize Value
The Product Owner is responsible forordering the Product Backlogso that the most valuable work is done first. This ordering reflects:
* Business and customer value,
* Risk and uncertainty,
* Strategic goals and learning from previous Sprints.
Through this activity, the Product Owner ensures that the Scrum Team is always working on what matters most.
2. Ensuring Product Backlog Items Are Transparent, Clear, and Understood The Product Owner ensures that Product Backlog Items are:
* Clearly expressed,
* Transparent to the Scrum Team and stakeholders,
* Understood well enough for Developers to select them during Sprint Planning.
This does not mean writing detailed requirements alone, butcollaboratingso that shared understanding exists.
問題2
When many Development Teams are working on a single product, what best describes the definition of
"done?"
When many Development Teams are working on a single product, what best describes the definition of
"done?"
正確答案:
When many Development Teams are working on a single product, there must beone shared Definition of Done (DoD)that applies toall teamsand tothe entire product Increment.
Single, Shared Definition of Done
Scrum requires that each Increment beusable and potentially releasable. When multiple teams contribute to one product, this means:
* There isone product, not multiple team products,
* There must therefore beone Definition of Donethat ensures consistency, quality, and transparency across all teams.
Having different Definitions of Done per team would result in:
* Inconsistent quality,
* Integration problems,
* Loss of transparency,
* Increments that are "Done" in isolation but not at the product level.
Integrated Increment-Level Definition of Done
The shared Definition of Done must includeintegration criteria, ensuring that:
* Work from all teams is integrated,
* The combined Increment meets quality and compliance standards,
* The product can be inspected and potentially released.
In scaled Scrum (e.g., Nexus), unintegrated work is explicitlynot considered Done, regardless of whether individual teams believe their work is complete.
Ownership and Evolution
While Developers collectively create and adhere to the Definition of Done, it applies at theproduct level, not the team level. As the product and organization mature, the Definition of Done may beexpanded, but it must always remain shared and transparent.
Single, Shared Definition of Done
Scrum requires that each Increment beusable and potentially releasable. When multiple teams contribute to one product, this means:
* There isone product, not multiple team products,
* There must therefore beone Definition of Donethat ensures consistency, quality, and transparency across all teams.
Having different Definitions of Done per team would result in:
* Inconsistent quality,
* Integration problems,
* Loss of transparency,
* Increments that are "Done" in isolation but not at the product level.
Integrated Increment-Level Definition of Done
The shared Definition of Done must includeintegration criteria, ensuring that:
* Work from all teams is integrated,
* The combined Increment meets quality and compliance standards,
* The product can be inspected and potentially released.
In scaled Scrum (e.g., Nexus), unintegrated work is explicitlynot considered Done, regardless of whether individual teams believe their work is complete.
Ownership and Evolution
While Developers collectively create and adhere to the Definition of Done, it applies at theproduct level, not the team level. As the product and organization mature, the Definition of Done may beexpanded, but it must always remain shared and transparent.
問題3
Your Scrum Team has one month Sprints. The development team argues that since this period is quite long, a Daily Scrum isa bit too much. They instead want a weekly update meeting. What is your opinion on this?
Your Scrum Team has one month Sprints. The development team argues that since this period is quite long, a Daily Scrum isa bit too much. They instead want a weekly update meeting. What is your opinion on this?
正確答案:
From a Scrum Master's perspective, replacing the Daily Scrum with a weekly update meeting isnot consistent with Scrumand would significantly weaken the team's ability to inspect and adapt effectively, regardless of the Sprint length.
First, Scrum explicitly defines theDaily Scrum as a required event. The Scrum Guide states that the Daily Scrum is a 15-minute event held every working day of the Sprint for the Developers. The length of the Sprint-whether one week or one month-does not change the purpose or necessity of this event. Therefore, by choosing not to have a Daily Scrum, the team wouldno longer be practicing Scrum, but rather a Scrum- like process.
Second, the Daily Scrum isnot a status meeting. Its primary purpose is to allow the Developers toinspect progress toward the Sprint Goal, synchronize their work, andadapt the Sprint Backlogas needed. A weekly meeting dramatically reduces the frequency of inspection and adaptation, delaying the discovery of issues such as integration problems, misalignment, or risks to the Sprint Goal.
Third, removing the Daily Scrum negatively impactstransparency, one of Scrum's three pillars of empiricism. Without daily synchronization, important information about progress, impediments, and discoveries becomes stale or hidden. This reduced transparency increases the likelihood that work will drift away from agreed standards, fail to integrate properly, or no longer support the Sprint Goal by the end of the Sprint.
Fourth, the argument that a one-month Sprint justifies less frequent inspection reflects a misunderstanding of empiricism. Longer Sprintsincrease risk, which makes frequent inspection and adaptation more important, not less. The Daily Scrum provides a regular opportunity to realign the team and respond early to emerging problems, thereby reducing waste and rework.
Finally, as a Scrum Master, my role is toteach and coachthe Scrum Team on the purpose and value of Scrum events. Rather than removing the Daily Scrum, I would help the Developers improve how they use it-for example, ensuring it focuses on progress toward the Sprint Goal and actionable planning for the next 24 hours, instead of turning into a reporting session.
First, Scrum explicitly defines theDaily Scrum as a required event. The Scrum Guide states that the Daily Scrum is a 15-minute event held every working day of the Sprint for the Developers. The length of the Sprint-whether one week or one month-does not change the purpose or necessity of this event. Therefore, by choosing not to have a Daily Scrum, the team wouldno longer be practicing Scrum, but rather a Scrum- like process.
Second, the Daily Scrum isnot a status meeting. Its primary purpose is to allow the Developers toinspect progress toward the Sprint Goal, synchronize their work, andadapt the Sprint Backlogas needed. A weekly meeting dramatically reduces the frequency of inspection and adaptation, delaying the discovery of issues such as integration problems, misalignment, or risks to the Sprint Goal.
Third, removing the Daily Scrum negatively impactstransparency, one of Scrum's three pillars of empiricism. Without daily synchronization, important information about progress, impediments, and discoveries becomes stale or hidden. This reduced transparency increases the likelihood that work will drift away from agreed standards, fail to integrate properly, or no longer support the Sprint Goal by the end of the Sprint.
Fourth, the argument that a one-month Sprint justifies less frequent inspection reflects a misunderstanding of empiricism. Longer Sprintsincrease risk, which makes frequent inspection and adaptation more important, not less. The Daily Scrum provides a regular opportunity to realign the team and respond early to emerging problems, thereby reducing waste and rework.
Finally, as a Scrum Master, my role is toteach and coachthe Scrum Team on the purpose and value of Scrum events. Rather than removing the Daily Scrum, I would help the Developers improve how they use it-for example, ensuring it focuses on progress toward the Sprint Goal and actionable planning for the next 24 hours, instead of turning into a reporting session.
問題4
In what ways does the Scrum Master attend the Sprint Retrospective?
In what ways does the Scrum Master attend the Sprint Retrospective?
正確答案:
The Sprint Retrospective is a formal Scrum event where the Scrum Team inspects how the last Sprint went with respect toindividuals, interactions, processes, tools, and their Definition of Done, and identifies improvements for future Sprints. The Scrum Master attends the Sprint Retrospective inmultiple, complementary ways, consistent with the Scrum Guide.
First, the Scrum Masterjoins the Sprint Retrospective as a Scrum Team member. The Scrum Guide defines the Scrum Team as consisting of the Product Owner, Developers, and the Scrum Master. Therefore, the Scrum Master is not an external observer but afull participantin the event. As such, the Scrum Master activelyinspects people, processes, and tools, and contributes insights based on their perspective and experience, while remaining respectful of the team's self-management.
Second, the Scrum Master oftenfacilitates the Sprint Retrospective. According to the Scrum Guide, the Scrum Master is accountable for ensuring that Scrum events take place and are productive. Facilitation may include helping the team create a safe environment, encouraging openness, ensuring balanced participation, keeping the discussion focused on improvement, and helping the team stay within the timebox. However, facilitation does not imply control; the Scrum Master facilitatesto serve the team, not to direct outcomes.
Third, the Scrum Mastersupports empiricism during the Retrospective. By fostering transparency, encouraging honest inspection, and helping the team identify actionable improvements, the Scrum Master strengthens the Scrum pillars oftransparency, inspection, and adaptation. The Scrum Master may also help the team turn improvement ideas into concrete actions that can be planned for the next Sprint.
Finally, the Scrum Master helps ensure that the Sprint Retrospective results inmeaningful adaptation. While the Scrum Team decides what improvements to implement, the Scrum Master supports the team in identifying impediments, coaching on improvement techniques, and helping remove organizational or systemic obstacles that are beyond the team's direct control.
In summary, the Scrum Master attends the Sprint Retrospective byjoining as a full Scrum Team member, participating in inspection,often facilitating the event, andsupporting continuous improvement and empiricism. This balanced participation ensures that the Retrospective remains a powerful mechanism for learning and adaptation rather than a ritualistic meeting.
First, the Scrum Masterjoins the Sprint Retrospective as a Scrum Team member. The Scrum Guide defines the Scrum Team as consisting of the Product Owner, Developers, and the Scrum Master. Therefore, the Scrum Master is not an external observer but afull participantin the event. As such, the Scrum Master activelyinspects people, processes, and tools, and contributes insights based on their perspective and experience, while remaining respectful of the team's self-management.
Second, the Scrum Master oftenfacilitates the Sprint Retrospective. According to the Scrum Guide, the Scrum Master is accountable for ensuring that Scrum events take place and are productive. Facilitation may include helping the team create a safe environment, encouraging openness, ensuring balanced participation, keeping the discussion focused on improvement, and helping the team stay within the timebox. However, facilitation does not imply control; the Scrum Master facilitatesto serve the team, not to direct outcomes.
Third, the Scrum Mastersupports empiricism during the Retrospective. By fostering transparency, encouraging honest inspection, and helping the team identify actionable improvements, the Scrum Master strengthens the Scrum pillars oftransparency, inspection, and adaptation. The Scrum Master may also help the team turn improvement ideas into concrete actions that can be planned for the next Sprint.
Finally, the Scrum Master helps ensure that the Sprint Retrospective results inmeaningful adaptation. While the Scrum Team decides what improvements to implement, the Scrum Master supports the team in identifying impediments, coaching on improvement techniques, and helping remove organizational or systemic obstacles that are beyond the team's direct control.
In summary, the Scrum Master attends the Sprint Retrospective byjoining as a full Scrum Team member, participating in inspection,often facilitating the event, andsupporting continuous improvement and empiricism. This balanced participation ensures that the Retrospective remains a powerful mechanism for learning and adaptation rather than a ritualistic meeting.