TMC Interview Questions
The questions to prepare for TMC interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Compare polling and interrupt-driven I/O, including CPU usage, latency, complexity, and when each approach is appropriate in embedded systems.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Approach for choosing launch success metrics, including a north star, leading indicators, and clear success criteria.
Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.
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Explain how to evaluate whether an A/B test result is statistically significant and how to interpret the result.
Explain how to identify, assess, and handle missing values in SQL using NULL checks, COALESCE, and validation logic.
Evaluates your system design tradeoffs for scaling performance, reliability, and maintainability.