Introduction: System Design Interview Case Studies

Know the Vocabulary

This lesson uses the terms below many times. Read them once now, and come back here when a later section needs one.

• Case study: A full interview question, worked from the first minute to the last, the way a strong candidate would answer it.
• Seven-step framework: The course's order for answering a design question. The steps are frame the problem, define success, map the data, pick the model, design the serving path, keep it working, and count the costs.