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Quiz: Queues and Microservices

5 questionsNo time limitPass: 60%+10 XP on first pass

Do slow work in the background with message queues, decide between a monolith and microservices, use an API gateway, and protect services with rate limiting.

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  1. Question 1

    Why put "send confirmation email" on a message queue?

  2. Question 2

    A worker processes the same "payment captured" message twice. What property prevents double effects?

  3. Question 3

    Which HTTP status code signals rate limiting?

  4. Question 4

    For a 3-person startup building its first product, the usual recommendation is:

  5. Question 5

    In pub/sub messaging, a published message goes to: