Scrum PSK-I Professional Scrum with Kanban level I Online Training
Scrum PSK-I Online Training
The questions for PSK-I were last updated at Nov 22,2024.
- Exam Code: PSK-I
- Exam Name: Professional Scrum with Kanban level I
- Certification Provider: Scrum
- Latest update: Nov 22,2024
Little’s Law is extremely valuable for directly predicting the future since it gives us a measure of what happened in the past? (Choose the best answer)
- A . True – By understanding our Cycle Time we can use Little’s Law to reduce our WIP limits.
- B . False – Relying only on your Cycle Time measurements may incorrectly influence you to cut your WIP limits.
B
Explanation:
Little’s law cannot predict the future. For example, the effect of reducing WIP limits cannot be predicted – it depends on whether the Scrum Team can achieve effective flow with lower WIP limits.
True or False: When it comes to using Kanban for the Sprint Backlog, the Developers own the way they work as well as their Definition of "their" Workflow.
- A . True
- B . False
A
Explanation:
The accountabilities/responsibilities defined by the Scrum Guide still apply when adding the Kanban practices.
True or False: Cycle Time is a lagging indicator.
- A . True
- B . False
A
Explanation:
You can only measure Cycle Time by looking at historical data. It is an indicator and point of reference but should be used carefully when creating a forecast.
The team needs to work on a high priority urgent unplanned item, but they are at their WIP limit.
True or False: They should change the WIP limit at their Daily Scrum to enable them to pull in that item.
B. True
C. False
Explanation:
If they do decide to pull in that item, it is a better approach to exceed the WIP limit as an exception and mark that exception than to adjust "the rules".
True or False: The purpose of a Scrum Team’s Service Level Expectation (SLE) is to allow teams to give each Product Backlog item a commitment to a due date as part of Sprint Planning.
- A . True
- B . False
B
Explanation:
The SLE is primarily an internal metric to help you inspect and adapt. However, the SLE CAN be used in Sprint Planning to provide the Product Owner and stakeholders with an idea of the service level that can be expected from the team. That does not include providing a specific date for each PBI in the SBL. The SLE enables the Scrum Team to forecast a finished date at a certain confidence level once the item has been started.
True or False: The WIP Limit can only be changed during the Sprint Retrospective.
- A . True
- B . False
B
Explanation:
While the Sprint Retrospective is indeed the recommended time to inspect and adapt the Workflow, any Workflow policy, including WIP limits, can be changed at any point. There are not many reasons to change WIP limits throughout the Sprint though. Changing WIP should be a process improvement strategy rather than a tactical way to deal with ongoing daily impediments. Learn more by reading this blog post.
What does the Work Item Aging chart show? (Choose the best answer)
- A . How many days has the team worked without breaching the WIP limits.
- B . How many sprints ago has the team revised their WIP limits.
- C . The approximate average age of work in process in the team.
- D . For each item on the Kanban board how long ago has it been pulled into WIP.
D
Explanation:
WIP aging is one of the crucial flow metrics used in Professional Scrum with Kanban. Learn more in the Kanban Guide for Scrum Teams or this blog. It is especially useful during the Daily Scrum to help surface flow issues regarding specific PBIs.
True or False: Kanban can be used to help improve the flow of the Sprint. It can also be used to help improve the flow of work in/out of the Sprint. Regardless, the Kanban Definition of Workflow is owned by the Developers.
- A . True
- B . False
B
Explanation:
Ownership of the Definition of Workflow depends on the scope/context of the Workflow. If the work is in the Sprint Backlog, then it is owned by the Developers. If the Workflow relates to work that spans beyond the Sprint into the Product Backlog and other activities upstream and/or downstream of the Sprint, it should be defined by the entire Scrum Team.
True or False: The main role of WIP aging is to help identify flow bottlenecks; where work may be impeded or constrained.
- A . True
- B . False
B
Explanation:
While in some cases observing old age across multiple items in a certain area of the Workflow can help identify bottlenecks, the main role of the Work Item Age metric is to identify specific items that are struggling and require attention. Bottlenecks/systemic constraints are typically identified by looking at the queues on the board, as well as charts like the Cumulative Flow Diagram.
True or False: If Developers use tasks, then their WIP limits should primarily apply to tasks in the Sprint Backlog.
- A . True
- B . False
B
Explanation:
Limiting tasks in progress can be useful but does not replace limiting WIP at the PBI level. We care about flow of value/learning. This is the flow of PBIs.
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