The weekly architecture quiz

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One decision at a time. Practice the tradeoffs behind system design, AI architecture, and interview questions with Rohit Bhardwaj.

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QUIZ / 001
20decisions

Would you defend
this design?

5 ROUNDS · FREE THIS WEEK

This week's practice · November 12, 2026

Would you defend this design?

Free · No payment card

Twenty original questions in five short rounds. Each answer opens a lesson, explains all four choices, and changes one constraint so you can test your reasoning again.

  1. 01Scale and overload4 questions
  2. 02Payments and recovery4 questions
  3. 03Consistency and promises4 questions
  4. 04AI authority and evidence4 questions
  5. 05Interview applications4 questions

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A burst is not a sustained rate

An API should allow an idle client to send a burst of up to 20 requests, then sustain about 10 requests per second. Each request costs one permit. Which policy directly expresses that requirement?

Choose the best answer for these constraints

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Keep practicing in the interactive challenges, or explore the companion exercises for System Design with AI.