Data Strategy and Management Questions

Covers defining and operationalizing a company level data strategy and running data infrastructure at scale. Topics include data consistency tradeoffs such as strong versus eventual consistency, selecting relational databases versus non relational databases, design of streaming and batch data pipelines, analytics infrastructure and reporting, data warehousing and data lake patterns, schema management and migrations, data quality controls, lineage and observability, access control and privacy, cost and performance tradeoffs, and data governance. Interviewers may probe concrete architecture decisions, migration plans, metrics for data health, and how to present data investment cases and risks to senior stakeholders.