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質問 # 26
In the middle of a Sprint, a Product Owner has requested the Developers to add a new urgent item to their Sprint Backlog. The team is currently at their WIP Limit.
Which would be the two most appropriate responses? (choose the two best answers)
- A. Adjust the WIP Limits to allow for taking on the extra item and update their definition of Workflow.
- B. Reject the urgent item because the WIP Limits do not allow it. Tell the Product Owner to wait until the next Sprint.
- C. Add the urgent item to their Sprint Backlog but only start working on that new item when enough room frees up.
- D. Take on the urgent item as an exception to the WIP Limits, pushing this item along on top of the existing flow and note a WIP exception.
正解：C、D
質問 # 27
Which of these metrics is most valuable for Sprint Planning? (Choose the best answer)
- A. Points Delivered.
- B. Work Item Age.
- C. Throughput.
- D. Cycle time.
正解：C
質問 # 28
What can happen if the Scrum Team's Work In Progress (WIP) Limit is not honored? (choose the best answer)
- A. Feedback loops become shorter.
- B. Team throughput increases.
- C. Concurrent operations will slow down.
- D. Processes will suffer from inefficiency.
正解：D
質問 # 29
True or False: Reducing WIP limits will always result in decreased productivity.
- A. False
- B. True
正解：A
質問 # 30
True or False: A leading indicator for the length of the feedback loop, for an in progress item, can be its Work Item Age.
- A. FALSE
- B. TRUE
正解：B
質問 # 31
What would be the most opportune time for a Scrum Team to make policy changes to their Work in Progress (WIP) Limits? (choose the best answer)
- A. WIP Limits should not be modified once they have been set.
- B. Anytime during the Sprint.
- C. During the Daily Scrum.
- D. During the Sprint Retrospective.
正解：D
質問 # 32
True or False: A Scrum Team's future output can be determined with Little's Law.
- A. TRUE
- B. FALSE
正解：B
質問 # 33
True or False: Explicit policies applied at each state/column of the workflow can replace the need for a definition of "Done".
- A. TRUE
- B. FALSE
正解：B
質問 # 34
A Scrum Team, that is new to Kanban, asks for your advise on how to start with increasing predictability.
What would be the most appropriate response? (choose the best answer)
- A. Setup a Kanban board for them to visualize the workflow.
- B. Have the team create a CFD, Control Chart and Aging chart to improve transparency.
- C. Teach them about Work in Progress (WIP) Limits and have them reduce the amount of work in progress.
- D. Ask the team to begin inspecting and adapting the Product Backlog during the Sprint Review.
正解：C
質問 # 35
True or False: The Service Level Expectations (SLE) is an agreement created during the Sprint Planning as a commitment to deliver certain work items by specified dates.
- A. TRUE
- B. FALSE
正解：B
質問 # 36
True or False: Cycle time is considered a lagging indicator.
- A. FALSE
- B. TRUE
正解：B
質問 # 37
Which formula best represents Little's Law? (choose the best answer)
- A. Average Throughput = Average Cycle Time / Average Work in Progress.
- B. Average Work in Progress = Average Cycle Time / Average Throughput.
- C. Average Cycle Time = Average Work in Progress / Average Throughput.
- D. Average Throughput = Average Cycle Time * Average Work in Progress.
正解：C
質問 # 38
Which of the following are considered lagging indicators? (choose the best three answers)
- A. Work Item Aging metrics.
- B. Cycle Time metrics.
- C. Throughput metrics.
- D. Work in Progress metrics.
- E. Velocity metrics.
正解：B、C、E
質問 # 39
Which of the following are considered Kanban practices for Scrum Teams? (choose the best answer)
- A. Small batch sizes, limiting Work in Progress (WIP), eliminating waste, Kaizen.
- B. Visualizing flow, limiting Work in Progress (WIP), actively manage the Work in Progress (WIP), inspecting & adapting the workflow.
- C. Class of service, measuring cost of delay, visualizing the workflow, limiting Work in Progress (WIP), managing flow.
- D. T-shirt size estimation, service level expectations, limiting Work in Progress (WIP).
- E. Kaizen, removing bottlenecks, policies radiators, pull system.
正解：B
質問 # 40
Which is the most appropriate metric to look at if you want to determine when an item that has already started is going to finish?
- A. Lead Time.
- B. Work Item Age.
- C. Cycle Time.
- D. Team Velocity.
- E. Team Capacity.
正解：B
質問 # 41
True or False: Reduced productivity is the result of optimizing WIP limits.
- A. TRUE
- B. FALSE
正解：B
質問 # 42
Which three statements best describe a Scrum Team's definition of "Workflow"? (choose the best 3 answers)
- A. It creates transparency over policies related to Work in Progress (WIP) Limits.
- B. It is used as a check off list for state that each work item must go through before it is considered 'done'.
- C. It provides a common understanding of when the Scrum Team considers work to be started and finished.
- D. It helps management track a work item's percentage of completeness.
- E. It provides policies that create quality gateways between development handoff phases.
- F. It describes how value flows through the system.
正解：A、C、F
質問 # 43
True or False: Cycle Time is a direct leading indicator for the length of the Scrum Team's feedback loop for a Product Backlog item.
- A. False
- B. True
正解：A
質問 # 44
True or False: A Scrum Team's workflow is the team's "policy" for how items move through different states towards 'done'.
- A. FALSE
- B. TRUE
正解：B
質問 # 45
The Scrum Team's Definition of Workflow includes descriptions of each state of a work item can be. True or False: The various states of a work item described in the Definition of Workflow can only encompass flow inside of the Sprint. ie limited to the state of each column on the Developers' Kanban board.
- A. TRUE
- B. FALSE
正解：B
質問 # 46
True or False: A team should change their WIP limit, at the Daily Scrum, if an urgent unplanned item enters a Sprint and the team is at the maximum WIP limit.
- A. TRUE
- B. FALSE
正解：B
質問 # 47
True or False: A team's future performance can be determined by using Little's Law. (Choose the best answer)
- A. TRUE
- B. FALSE
正解：B
質問 # 48
Only a Product Owner and Developers are the needed when applying Kanban in Scrum.
- A. TRUE
- B. FALSE
正解：B
質問 # 49
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