Passed Exam Today DevOps-Leader

The correct answer is C because having multiple source code repositories for each team can reinforce fragmentation, duplication, local optimization, and knowledge silos. Transforming local discoveries into global improvements requires mechanisms that make learning visible, reusable, and accessible across the organization. Separate team-specific repositories may be appropriate in some architectures, but as stated here, the practice does not inherently help spread discoveries across teams.

The other options are DevOps-aligned mechanisms for scaling learning. ChatOps can capture operational knowledge, make collaboration visible, and support rapid incident response. Automating standard processes in reusable software helps convert local improvements into repeatable organizational capabilities. Sharing user stories and automated tests as documentation spreads understanding of expected behavior, customer needs, and quality standards.

The broader principle is that high-performing DevOps organizations create feedback loops that allow one team’s learning to improve the whole system. Local discoveries should become shared assets, reusable patterns, automation, documentation, and practices. Relevant study guide references: Measuring to Learn; Measuring to Improve; Maintaining Energy and Momentum; Becoming a DevOps Organization.

The correct answer is B because “% Complete and Accurate” is effectively the mirror metric of “% Rework.” In value stream mapping, teams need to understand not only how long work takes, but also the quality of the work as it moves between steps. If work arrives incomplete, incorrect, unclear, or unusable, downstream teams must spend time clarifying, correcting, or repeating work. That creates rework, delays, queues, frustration, and reduced flow efficiency.

“% Complete and Accurate” measures the proportion of work that can proceed without needing correction or additional information. A higher complete-and-accurate percentage indicates better upstream quality and smoother flow. Conversely, a high rework percentage indicates that defects, missing information, poor requirements, weak handoffs, or inadequate validation are causing work to loop backward through the system.

The other options are not the correct mirror metric. Unplanned work and planned work describe work-type allocation, not quality of transfer. Repeated work is similar in meaning to rework, but it is not the recognized inverse measurement. Relevant study guide references: Measuring to Improve; Value Stream Mapping; Measuring to Learn; Becoming a DevOps Organization.

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The correct answer is A because customer-centric DevOps decision-making should be based on evidence, feedback, and validated learning rather than hierarchy. The “highest paid person’s opinion” problem, often called HiPPO-driven decision-making, occurs when seniority overrides customer evidence, operational data, team insight, or experiment results. This is especially harmful in DevOps evolution because it reinforces command-and-control behavior and prevents organizations from learning from the actual users of the system.

Putting the customer upfront and center means using customer feedback, telemetry, usage data, support patterns, market signals, and outcome measures to guide prioritization and improvement. Pulling improvement ideas from customers is appropriate because it connects delivery to real needs. Using live-streaming reaction and prediction services can help organizations understand behavior and sentiment quickly. Being data-driven supports faster feedback and better product decisions.

A DevOps leader should create conditions where decisions are informed by the people closest to the customer, the work, and the evidence. Relevant study guide references: Measuring to Learn; Becoming a DevOps Organization; DevOps and Transformational Leadership; Articulating and Socializing Vision.

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The correct answer is D because a Value Stream Map primarily makes the current system of work visible; it does not automatically determine or implement the corrective actions required to remove waste. A value stream map helps teams see how work flows from demand to value realization, including handoffs, delays, queues, wait time, process time, rework, dependencies, and bottlenecks. This creates a shared factual basis for improvement, but the map itself is a diagnostic and collaboration tool, not a complete solution design.

Options A, B, and C describe core benefits of value stream mapping. It provides a time diagnostic by exposing elapsed time versus active work time. It helps visual collaboration because stakeholders can collectively inspect the end-to-end system rather than debating isolated departmental views. It identifies waste by surfacing non-value-adding activities, excessive approvals, rework, waiting, batching, and unnecessary handoffs.

Once waste is visible, teams can then design experiments, improvement actions, future-state maps, automation opportunities, policy changes, or organizational adjustments. Relevant study guide references: Measuring to Improve; Measuring to Learn; Becoming a DevOps Organization; Target Operating Models and Organizational Designs.

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