EX0-008 Sample Questions & Answers
Scrum roles, events, and the backlog dominate the weighting, built on basic Agile thinking, planning and estimation techniques, monitoring a Scrum project's progress, and adapting Scrum to different situations.
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- Question 1Advanced
Advanced Scrum concepts · Scaling Scrum
A large organization is developing a complex product that requires the coordinated effort of five Scrum teams. They need a simple, effective technique to coordinate integration and manage cross-team dependencies. Which scaling practice is specifically designed for this purpose, where representatives from different teams meet to coordinate their work?
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Correct answer: B
The Scrum of Scrums is a well-established technique for scaling Scrum where multiple teams coordinate. It is a meeting where representatives (often Scrum Masters or technical leads) from each team meet to discuss progress, impediments, and integration points, ensuring the teams remain aligned and the product remains integrated.
- Question 2Intermediate
Scrum planning and estimation · Planning Poker
During a Planning Poker session, the estimates for a user story are 3, 5, 5, 8, and 13. What is the most appropriate next step for the Scrum Master to facilitate?
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Correct answer: D
The goal of Planning Poker is to foster discussion and reach a shared understanding. When there is a significant divergence in estimates, the best practice is to have the outliers (highest and lowest estimators) explain their perspective. This discussion often uncovers missed assumptions or details about the work, leading to a more accurate consensus.
- Question 3Advanced
Scrum practices · Scrum Master Role
HealthForward Inc., a healthcare technology company, is developing a new patient portal. They have been using Scrum for six months. The Scrum Team consists of a Product Owner (PO), a Scrum Master (SM), and five Developers. During the last two Sprints, the team has consistently failed to meet its Sprint Goal. The Sprint Retrospectives have revealed several issues: the PO frequently adds new, 'urgent' items to the Sprint Backlog after the Sprint has started, and stakeholders often bypass the PO to give direct instructions to the Developers.
The Developers feel overwhelmed and demotivated, as the goalposts are always moving. The SM has tried to coach the PO and stakeholders, but the behavior persists. The PO argues that the market is dynamic and they must be able to react quickly. The stakeholders claim they are just 'clarifying' requirements. The quality of the increment has also started to decline, and more bugs are being reported.
As the Scrum Master, what is the most effective action to take FIRST to address the root cause of these issues?
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Correct answer: B
The root cause is a lack of understanding and respect for Scrum principles by the PO and stakeholders. The most effective first step is education and facilitation. A dedicated workshop allows the Scrum Master to explain the 'why' behind Scrum's rules, such as protecting the Sprint Goal, and to create a shared agreement on how to interact. This addresses the problem collaboratively rather than confrontationally.
flowchart TD subgraph Dysfunctional Flow A[Stakeholder] --> B(Developer) C[Product Owner] --> D(Sprint Backlog) end subgraph Correct Flow E[Stakeholder] --> F(Product Owner) F --> G[Product Backlog] G --> H(Sprint Planning) H --> I(Sprint Backlog) end - Question 4Intermediate
Scrum practices · Definition of Done (DoD)
A Scrum team is building a web application. For their first few Sprints, their Definition of Done (DoD) only included 'code complete' and 'unit tested.' They now find that a lot of time is spent in later Sprints fixing integration issues and performance problems. How should the team adapt their Definition of Done to improve the quality and predictability of their increments?
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Correct answer: B
The Definition of Done is a living artifact that should be adapted to ensure a high-quality, potentially shippable increment is produced each Sprint. If the current DoD is leading to downstream problems, the team should strengthen it by adding necessary quality assurance activities like integration and performance testing. 'Hardening Sprints' are an anti-pattern that delay feedback and violate the principle of producing a done increment every Sprint.
- Question 5Intermediate
Monitoring Scrum projects · Kanban boards
A team is using a Kanban board to visualize their workflow within a Sprint. The board has columns: 'To Do,' 'In Progress,' 'In Review,' and 'Done.' The 'In Progress' column has a Work-in-Progress (WIP) limit of 2. Currently, there are two items in that column. A Developer finishes their current task and wants to start a new one from the 'To Do' list. According to Kanban principles, what should the Developer do?
graph TD subgraph "Sprint Workflow" direction LR A["To Do (3 items)"] --> B["In Progress (WIP Limit: 2) Item A Item B"] --> C["In Review (1 item)"] --> D["Done (5 items)"] endShow answer & explanation
Correct answer: C
A core principle of Kanban is to use WIP limits to prevent bottlenecks and improve flow. When a column is at its WIP limit, it signals that the team should focus on finishing existing work rather than starting new work. The correct behavior is to 'stop starting and start finishing.' The Developer should help move an existing item forward in the workflow, for example, by helping with a code review or testing.
- Question 6Intermediate
Agile way of thinking · Agile methods other than Scrum
A software development team is focused on technical excellence and wants to adopt an Agile practice that emphasizes continuous integration, test-driven development (TDD), and pair programming. Which Agile method most strongly advocates for these specific technical practices?
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Correct answer: C
Extreme Programming (XP) is an Agile method that is highly disciplined and places a strong emphasis on technical engineering practices. Its core practices include pair programming, test-driven development (TDD), continuous integration (CI), simple design, and refactoring. While other methods can incorporate these, they are central and prescriptive in XP.
- Question 7Beginner
Scrum practices · Scrum Master Role
True or False: The Scrum Master is accountable for the successful delivery of the product Increment and must approve it during the Sprint Review.
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Correct answer: B
False. The Scrum Master is accountable for the Scrum process and team effectiveness. The entire Scrum Team is accountable for creating a valuable, useful Increment each Sprint. The Sprint Review is a collaborative event for inspection, not a formal sign-off gate controlled by the Scrum Master.
- Question 8Intermediate
Scrum planning and estimation · Velocity
A newly formed Scrum team has completed three Sprints. The number of story points completed in each Sprint was 15, 20, and 19 respectively. Based on this data, what is the team's calculated average velocity, which can be used for forecasting in the next Sprint Planning?
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Correct answer: C
Velocity is typically calculated as the average number of story points completed over the last few Sprints (usually 3). In this case, the calculation is (15 + 20 + 19) / 3 = 54 / 3 = 18. This average velocity of 18 story points per Sprint can be used as a guideline for how much work the team can likely pull into the next Sprint.
- Question 9Beginner
Scrum practices · Daily Scrum
What is the recommended timebox for a Daily Scrum event, regardless of the length of the Sprint?
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Correct answer: B
The Scrum Guide prescribes a strict timebox of 15 minutes for the Daily Scrum. This fixed duration encourages a concise and focused discussion and prevents it from turning into a long status or problem-solving meeting. The timebox remains the same whether the Sprint is one week or four weeks long.
- Question 10AdvancedSelect 3
Scrum practices · Good user stories
A Product Owner is refining the Product Backlog and wants to ensure the user stories are well-formed. They are using the INVEST acronym as a guide. According to the INVEST model for user stories, which of the following characteristics are essential? (Select THREE)
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Correct answers: A, C, E
Stories should be self-contained to avoid dependencies.
Stories are not contracts; details can be negotiated between the PO and Developers.
The story should be small enough to be completed in a Sprint.
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