System Design · interview question
Another engineer will maintain this code later. What choice helps the most around choosing the model?
Multiple choiceHardchapter-15-curatedpremiumsystem-designchoosing-the-model
Answer and explanation
Correct answer
C. Make the rule obvious in names, flow, and boundaries so the next reader does not have to reverse-engineer your intent.
Why
Maintainability comes from explicit intent. Senior interview answers usually start with the constraint, then pick the model.
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