technical performance measures

Objective, quantifiable indicators of a solution's technical behavior, monitored to confirm that components and subsystems satisfy defined technical requirements.

Key Points

  • Quantitative metrics directly tied to technical requirements (e.g., throughput, latency, weight, reliability).
  • Defined with targets and acceptable ranges, then tracked over time against planned values.
  • Provide early warning of technical risk and trigger corrective or preventive actions.
  • Decomposed by subsystem and verified through tests, prototypes, and integration builds.

Example

An agile team building an IoT device tracks response time (<= 200 ms), CPU utilization under peak load (<= 70%), wireless packet loss (< 1%), and battery life (>= 24 hours). Each sprint, they measure these technical performance measures and compare actuals to targets. When CPU utilization trends above 70%, they refactor code and optimize drivers to bring the design back within limits.

PMP Example Question

During development, a team tracks sensor accuracy, processor load at peak throughput, and end-to-end response time against planned targets to verify the design is on track. What are these metrics called?

  1. Business key performance indicators (KPIs)
  2. Technical performance measures used to verify components meet technical requirements
  3. Scope validation acceptance criteria
  4. Schedule performance indices (SPI)

Correct Answer: B — Technical performance measures

Explanation: These are quantifiable technical metrics compared to targets to ensure system components meet specified technical requirements.

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