Your question is DSP vs SSP Strategy Basics. 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 discussing the digital advertising ecosystem with a hiring manager for a business analyst role. They want to know whether you understand how the core platforms on the buy side and sell side differ, and why that distinction matters in practice.
Explain the difference between a Demand-Side Platform (DSP) and a Supply-Side Platform (SSP).