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System Design for Python Juniors
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Module 6 · Real-World System Design Cases
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Design observability (SLOs and error budgets)
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📝 **Question:** Why error budgets > zero downtime targets? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
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📝 **Question:** Why error budgets > zero downtime targets? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
A
Easier to communicate to executives — a single 'zero downtime' KPI gives leadership a binary number to track instead of a moving budget.
B
Zero downtime is unrealistic and incentivizes risk aversion
C
Saves money on monitoring infrastructure because the SRE team only needs to alert when downtime occurs rather than instrumenting every SLI.
D
Required by SOC 2 — auditors mandate an error-budget-based SRE program, while zero-downtime targets fail the availability control review.
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