Your question is Role of ETL and Implementation. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Describe the role of ETL in data processing and how you would implement it.
Explain how you would extract data from operational sources, validate and transform it, load it into an analytical store, and orchestrate the workflow. Address incremental processing, idempotency, schema changes, data quality, failure recovery, monitoring, and backfills.