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Quiz: Monitoring and SRE

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

The three pillars of observability, the four golden signals, SLIs, SLOs and error budgets calculated in Python, good alerting and incident response, and a complete case study deploying a Node.js app with nginx, HTTPS, CI/CD, health checks and rollback — plus a DevOps career roadmap.

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  1. Question 1

    Which is NOT one of the four golden signals?

  2. Question 2

    An SLO of 99.9% over 30 days allows roughly how many minutes of failure?

  3. Question 3

    In the demo, how much of the error budget was used by 1,900 failures out of 2,500,000 requests at a 99.9% SLO?

  4. Question 4

    Why use p95 latency instead of the average?

  5. Question 5

    During an incident, what should come first?