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A team has recently introduced their first Kanban board and are saying that they are finding it hard to focus and are feeling exhausted from context switching. Additionally, the business is complaining that nothing is being finished and they are yet to receive any of what they asked for.
What do the team need to do?
Answer : C
When Kanban teams feel overwhelmed and nothing is getting finished, it's a sign that too much work is in progress (WIP). Work in Progress (WIP) limits are a key Kanban and Lean practice: they restrict how many tasks can be active at one time, forcing teams to focus, finish, and deliver before starting new work.
Pushing more work (A) or adding more resources (B) worsens the problem.
Unblocking work (D) is helpful, but the core issue is overload.
Extract-style reference: ''WIP limits encourage teams to finish work before starting new tasks, reducing context switching and enabling better flow and faster delivery.'' --- Kanban: Successful Evolutionary Change for Your Technology Business, David J. Anderson PeopleCert DevOps Foundation: Limiting WIP is essential for effective flow and sustainable pace.
Which of the following is an example of a "shift left" testing strategy?
Answer : C
Shift Left Testing means moving testing earlier in the development process, so defects are found sooner and fixes are cheaper. Unit testing as part of CI is the classic ''shift left'' strategy: automated unit tests run with every code change, catching errors before code moves further down the pipeline.
Testing in production (A) is ''shift right.''
Manual testing (B) is typically late-stage and not automated.
Biannual vulnerability assessments (D) are after-the-fact and far from ''shift left.''
Extract-style reference: ''Shift left means performing testing activities earlier, for example by including unit tests in the CI process, reducing costly late-stage defects.'' --- DevOps Handbook PeopleCert Foundation: ''Shift left'' is a key DevOps testing principle---find issues fast, fix fast, deploy safely.
Which of the following MOST accurately describes DevOps?
Answer : D
DevOps is not simply a team, methodology, or standard. The PeopleCert DevOps Foundation v3.6 materials define DevOps as a ''cultural and professional movement'' that stresses communication, collaboration, integration, and automation to improve workflow between software developers and IT operations professionals. The cultural transformation is fundamental, emphasizing shared responsibilities, breaking down silos, and fostering continuous improvement. Reference: DevOps Foundation v3.6 syllabus section 1.1; State of DevOps Report; 'The Phoenix Project'.
Updates to a complex critical business service are released every calendar quarter. The business would like to increase the frequency of releases for this service.
Why would segmenting the service into microservices help to improve the frequency of release?
Answer : A
Microservices architecture breaks down applications into small, independent, loosely coupled services that can be developed, tested, and deployed independently.
Why does this improve release frequency? Each microservice can be updated, tested, and deployed on its own, reducing the risk and coordination overhead associated with monolithic releases.
This allows for faster feedback and more frequent delivery of value to users.
Extract-style reference: ''Microservices enable teams to deploy independently, reduce deployment risk, and increase release frequency by decoupling services.'' --- Accelerate: The Science of Lean Software and DevOps, Chapter 4 PeopleCert DevOps Foundation v3.6: Stresses modular architectures for enabling rapid, independent deployments and continuous delivery.
How do you define Wait Time?
Answer : A
Wait Time is the time work spends waiting between process steps---wasted, non-value-added time.
Mathematically, Wait Time = Lead Time -- Cycle Time
Lead Time: Time from work request to delivery.
Cycle Time: Time spent actively working on the item.
Why is this important in DevOps? Identifying and reducing wait time (waste) is central to Lean/DevOps, directly improving flow and reducing delays.
Extract-style reference: ''Wait time is calculated as the difference between lead time and cycle time---highlighting bottlenecks in the value stream.'' --- DevOps Handbook PeopleCert DevOps Foundation v3.6: Wait time is a core Lean concept for optimizing flow.
