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Given a distributed system with services A, B, and C, which observability data helps trace a request from A to C through B?

medium📝 Analysis Q13 of 15
Microservices - Monitoring and Observability
Given a distributed system with services A, B, and C, which observability data helps trace a request from A to C through B?
ADistributed traces linking A, B, and C
BLogs from service B only
CMetrics showing CPU usage on service A
DNetwork bandwidth statistics
Step-by-Step Solution
Solution:

  1. Step 1: Understand tracing purpose

    Tracing tracks the path of a request across multiple services.

  2. Step 2: Match data to tracing

    Distributed traces connect calls from A to B to C, showing the full journey.

  3. Final Answer:

    Distributed traces linking A, B, and C -> Option A

  4. Quick Check:

    Tracing = request path across services [OK]
Quick Trick: Traces show request flow across services, not just one service [OK]
Common Mistakes:
MISTAKES
  • Confusing metrics or logs with traces
  • Using logs from only one service
  • Choosing unrelated network stats

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