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← CoursesSenior Deep-DivesModule 1 · Concurrency & Async InternalsObservability: metrics, traces, logsquiz13 / 161
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Task
📝 **Question:** Your microservice request fails with 503 sometimes, but unit tests pass and your single-service logs show nothing. What gives you visibility? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
🎯 Quiz

Question

📝 **Question:** Your microservice request fails with 503 sometimes, but unit tests pass and your single-service logs show nothing. What gives you visibility? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.

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