Performance Monitoring & Optimization Flashcards

A data analytics program costs $2 million and delivers $5 million in measurable benefits over the same period. What is its ROI?

Answer: 150%

ROI equals (5M - 2M) / 2M, which is 150%.

Which metric best demonstrates the business value of a new data product rather than a vanity statistic?

Answer: Measurable business outcomes attributable to decisions made with the product

Value is shown by outcomes such as revenue gained or costs avoided, not raw activity counts.

In a CMMI-style data management maturity model, at which level are processes measured and controlled using quantitative data?

Answer: Level 4 – Quantitatively Managed

Level 4 introduces statistical and quantitative control of processes, while Level 5 focuses on continuous improvement.

In the Plan-Do-Check-Act (PDCA) cycle applied to data quality improvement, what happens during the "Check" phase?

Answer: Results are compared against the planned objectives

The Check phase evaluates whether the implemented change achieved the expected results.

Which is the best-written key result for an OKR whose objective is "Make trusted data available faster"?

Answer: Reduce average time-to-access for new datasets from 15 days to 5 days by Q3

Strong key results are specific, measurable, and time-bound outcomes.

Which DORA metric, increasingly applied to DataOps, measures the percentage of production deployments that cause a failure?

Answer: Change failure rate

Change failure rate tracks the share of deployments that lead to incidents or rollbacks.

The CFO asks whether rising cloud data spend reflects waste or healthy growth in usage. Which metric best answers this?

Answer: Unit cost, such as cost per query or per active data product user

Unit economics normalize spend against usage, showing whether efficiency is improving as consumption grows.