Cianplan

Where do you stand in system design?

12 questions, a quick estimate and, if you like, a design question graded by AI. At the end you know which level to start at and which modules to take first.

  • · About 15 minutes, no account and no card.
  • · For each answer you say how sure you are, so we can tell firm ideas from shaky ones.
  • · At the end you see the right answer to every question, and why.

No account needed for the questions.