Your question is SQL DBA and High-Traffic Design. 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).
Tell me about your experience with SQL database administration and high-traffic system design. Discuss the databases, operational responsibilities, scaling techniques, and production incidents you have handled. Explain how you would connect database administration practices with reliable ETL or data pipeline operations, including availability, consistency, performance, monitoring, and recovery.