Free PSK-I Exam Braindumps (page: 8)

Page 8 of 18

Which of these is NOT a good description of Cycle Time?

(choose the best answer)

  1. The time a work item takes from initial idea/concept to feedback returned from customers after a production release.
  2. The length of time a work item stays in one column.
  3. The number of items that move into the delivery/end point per time period (e.g., daily/weekly).
  4. The time a work item starts until when it finishes.

Answer(s): C

Explanation:

Cycle Time in the context of Professional Scrum with Kanban is defined as the time it takes for a single work item to move from the start to the end of a specific process or workflow. This metric is crucial for understanding how efficiently a team can process individual work items through their defined workflow stages.

· Option A describes a broader measurement from the initial concept to customer feedback post-release. This could align more with the concept of Lead Time rather than Cycle Time.

· Option B correctly describes a possible measurement for Cycle Time -- the time a work item spends in one specific column (workflow stage). This is in line with the definitions provided in the Kanban Guide for Scrum Teams, where Cycle Time can measure time within distinct parts of the workflow.

· Option D accurately reflects the definition of Cycle Time, which measures the elapsed time from when work starts on an item until it is completed.

· Option C describes "Throughput," which is a measure of the number of items delivered over a specific time period (e.g., daily or weekly). This is not related to Cycle Time but is a separate flow metric often used alongside Cycle Time to understand team performance and capacity better(

Thus, Option C is the correct answer as it does not correctly describe Cycle Time. This explanation is verified with resources from Scrum.org that define Cycle Time within the scope of Professional Scrum with Kanban practices.



Little's Law states that:

(choose the best answer)

  1. Average Cycle Time = Average Work in Progress / Average Throughput.
  2. Average Throughput = Average Cycle Time * Average Work in Progress.
  3. Average Work in Progress = Average Cycle Time / Average Throughput.
  4. Average Throughput = Average Cycle Time / Average Work in Progress.

Answer(s): A

Explanation:

Little's Law states:

· Average Cycle Time = Average Work in Progress (WIP) / Average Throughput.

Little's Law is used to understand and forecast the performance of a workflow system. It implies that if you know two of these three variables (Cycle Time, WIP, Throughput), you can calculate the third.
The correct formula is Option A(

Options B, C, and D do not correctly state Little's Law.



Which of the following should NOT be in the Definition of Workflow?

(choose the best answer)

  1. Agreed owner of Workflow lane.
  2. Work in Progress (WIP) Limits.
  3. End of the Workflow.
  4. Start of the Workflow.

Answer(s): A

Explanation:

The Definition of Workflow in Kanban should include key elements that help manage the flow of work through the process. These elements typically include:

· WIP Limits (Option B), which help to manage flow and prevent overburdening the team.

· Start of the Workflow (Option D) and End of the Workflow (Option C), which define when work begins and when it is considered complete.

However, Option A (Agreed owner of Workflow lane) is not usually part of the Definition of Workflow. The workflow definition focuses on the stages, policies, and rules that govern work items, rather than on individual ownership of workflow lanes(



True or False: Limiting Work in Progress (WIP) will likely reduce the amount of collaboration in the Scrum Team.

  1. True
  2. False

Answer(s): B

Explanation:

Limiting Work in Progress (WIP) is likely to increase rather than reduce collaboration within a Scrum Team.
When WIP limits are enforced, team members are encouraged to "swarm" around fewer tasks, focusing on completing them together rather than starting new work. This promotes more collaborative behaviors, such as pairing or mob programming, to get work items done efficiently



Page 8 of 18



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