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PSM2 > Kanban > Flashcards

Kanban Flashcards

1
Q

The creation and adaptation of the definition of workflow doesn’t impact the sprint backlog or the product backlog.
T or f?

A

Kanban is all about visualising your work, limiting WIP and maximising efficiency and therefore using kanban board may impact or be impacted by existing artifacts

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2
Q

What does SLE forecast (service level expectation) show?

A

It forecasts how long it should take for an item to flow from start to finish with your workflow. It has 2 parts:

  1. Period of elapsed days in which the work would be completed
  2. The probability of work getting completed associated with that period
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3
Q

Flow optimisation can be done by which 4 practices?

A

Visualisation of workflow
Limiting WIP
Active management of work items in progress
Inspecting and adapting their definition of workflow

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4
Q

What does a kanban workflow definition include, 6 things?

A

A shared understanding within team how work items are defined
Start state of the process
Active states of the work items
Finished state of the work items
WIP limit
Set of Service level expectation that communicates a forecast of how long it should take to complete work items

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5
Q

In kanban workflow, the work items moving through workflow will always correspond to backlog items or other parts of spring backlog or scrum
T or f

A

F. They may not as these stages and items moving through them may not relate to the scrum teams work but are needed for delivery

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6
Q

What does active management of workflow entail?

A
  1. Responding quickly to blocked work items
  2. Making sure work is pulled in at the same rate that they leave workflow
  3. Ensuring work items aren’t left to age unnecessarily and are completed on line W established SLE
  4. Unclogging work that piles up in a column or columns
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7
Q

Having too high WIP limit means team is working on multiple tasks abs context switching but too low means that when a given item is pending and members have to wait, they are static
T or f

A

T both situations are unproductive and inefficient

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8
Q

What W does SLE answer?

A

What cycle time do we expect to see for an item of this type and what is our confidence level for this?

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9
Q

What are the basic kanban flow metrics?

A

WIP
Cycle time
Work item age
Throughput

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10
Q

Calculating which metrics requires the team at minimum track the start of each item?

A

Cycle times and work item age

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11
Q

What metric does flow based sprint planning use?

A

Throughput

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12
Q

What metrics do you use at flow based daily meeting for tracking the flow of work daily?

A

WIP and work item age

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13
Q

What is work item age

A

Work item age shows how long ago an item was pulled into WIP

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14
Q

What is little a law?

A

WIP = throughput x lead time or average cycle time = average wip / average throughput

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15
Q

A new team working in scrum has an average WIP of 20 work items, an average cycle time of 5 days and an average throughput of 4 items a day. They predict they can increase average wip to 40, keep average cycle time constant at 5 days and throughout will increase to 8 items per day.
T or f?

A

F. Littles law cannot predict future. It won’t be true even if you add staff to keep the WIP to staff ration. All littles law says is that an increase in average wip will result in a change in the average cycle time and average throughput.

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16
Q

What are kanban practitioners core principles they follow?

A
  1. Start with what you do now
  2. Respect the current process, roles, responsibilities and titles
  3. Agree to pursue incremental abs evolutionary change
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17
Q

One of the keys to effective visualisation for a scrum team is to make sure it sees the flow of pbis from idea to identification, refinement, analysis, design, coding, testing and deployment all the way to done. This is what kanban team calls ?

A

Value steam

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18
Q

What is not considered flow in kanban?

A

Movement of tasks from one state to another

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19
Q

What should a definition of workflow contain?

A

Defined points at which scrum team considers work to have started and finished
A definition of the individual units of customer value that are flowing through the scrum teams system
A definition of the workflow states that the pbis flow through from start to finish
Explicit policies around how work flows through each state (e,g dod)

20
Q

Can SLE be shared with external stakeholders?

A

Yes

21
Q

Who owns workflow and WIP limits when used in sprint backlog?

A

Developers

22
Q

If devs want PO involved in their sprint flow, who owns workflow and WIP limits?

A

Scrum team

23
Q

A scrum teams SLE might influence the work planned for the first few days of sprint.
T or f?

A

T. A flow-based sprint planning uses historical throughput to understand scrum teams capacity for the next sprint. SLE might influence the work planned for the first few days

24
Q

What does cumulative flow diagram help with?

A

The amount of work in progress at each interval. The vertical height of each band is the number of WIP items in that stage and the horizontal length of each stage expose the average cycle time

25
Q

If a band on your CFD is continuously narrowing, what does it mean?

A

Throughput if the stage it represents is higher than the entry rate. So more capacity at this stage than you need

26
Q

Cycle time and work item age can be considered as the length of the teams feedback loop. T or f?

A

T

27
Q

One of the greatest benefits of using a cycle time sctatter plot is that it gives you the ability to forecast the outcome if future tasks? T or f

A

T

28
Q

You’ve got 100 tasks that were completed in 50 days. If 50 of them were completed in 7 days or less, while all others took longer, you’ve got 50 percent chance to finish any future task within 7 days. What is this an example of?

A

Cycle time

29
Q

Work item age is a leading indicator only relevant for:

  1. The length of the scrum teams feedback loop for that in progress item
  2. Non-finished items only
  3. Items which haven’t started
  4. All the work items
A

1 and 2

30
Q

What metric can teams use during flow based sprint planning?

A

Throughput of previous sprints. Monte Carlo simulation using throughput date to figure out confidence levels

31
Q

When can flow-based retrospectives occur?

A

They can occur just in time

32
Q

What are scrumbuts?

A

Reasons why teams can’t take full advantage of scrum to solve their problems or realise the full benefits of product development using scrum

33
Q

What is kanban work flow?

A

Movement of customer value through the product development system

34
Q

Kanban teams decide how to refine the backlog. They may do this how?

A

Just in time when inventory of ready stories goes below a threshold or they can use a cadence

35
Q

Should kanban board be seen as the single source of truth for the teams work?

A

Yes

36
Q

What is kanban?

A

A strategy that optimises the flow of stakeholder value through a process that uses visual WIP limited, pull system

37
Q

What are explicit policies in kanban?

A
  1. Scrum guide
  2. Dod
  3. Scrum framework
  4. WIP limit or other policies fir each Lane or person
  5. Workflow is teams policy for how to get work done
  6. Scrum team devotion of start and finished
38
Q

Which metrics can be used at flow based sprint retro?

A

WIP, cycle time and throughput

39
Q

Where would cycle time scattepy be used? Event

A

Retro and review

40
Q

When would work item age chart be used?

A

Daily scrum and sprint planning

41
Q

Cumulative flow diagram could be used at which events?

A

Retro abs daily scrum

42
Q

What do you see in a cumulative flow diagram?

A

X axis time scale
Y axis cumulative number of work item
Areas with different colours: stages of workflow

43
Q

Can a cycle time for a pbi be longer than the spring length?

A

Yes

44
Q

During a retro the team is inspecting and adapting the definition of workflow. They are likely to:
1. Inspect and adopt the visualisation policies e.g workflow states
2. Inspect and adopt WIP limits
3. Inspect and adopt SLes
4 change batch size

A

All (SLE and WIP limits and batch size are examples)

45
Q

In kanban, when can work items be split?

A

Any time before they are considered finished to workflow devotions perspective

PSM2 (5 decks)

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