Welcome to your interview.
The question is on your right: DSP vs SSP Strategy Basics. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes). Discussion and graded submissions share your five interviewer interactions, so spend them well.
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).