Your question is Common Data Pipeline Design Pitfalls. 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).
You're reviewing a new data pipeline design and want to catch common mistakes before they show up in production. The goal is to think through the failure points that make pipelines hard to trust, operate, or scale.
What are some common pitfalls in data pipeline design?