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In Choreography , microservices react to events autonomously. In Orchestration , an orchestrator orchestrates the sequence of commands and compensations.

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Oct 25, 2026

Quiz: How does Distributed Tracing (e.g., OpenTelemetry, Jaeger) track a single user transaction across 10 microservices?

Distributed Tracing propagates a canonical Trace ID across service boundaries in context headers, stitching together individual service Spans .

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Oct 25, 2026

Quiz: What is a Dead Letter Queue (DLQ) in message broker architecture?

… messages that exceed retry limits, preventing consumer crash-loops and enabling triage.

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Oct 25, 2026

Quiz: In Kubernetes microservice deployments, what is the distinction between a Liveness Probe and a Readiness Probe?

Liveness detects deadlocks and restarts the container; Readiness ensures dependencies are initialized before routing traffic to the Pod.

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Oct 25, 2026

Quiz: What is the CQRS (Command Query Responsibility Segregation) pattern?

CQRS decouples the command (write) model from the query (read) model, often pairing with event sourcing to optimize read projections.

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Oct 25, 2026

Quiz: What is Mutual TLS (mTLS) in service-to-service communication?

In mTLS , both the client and server present and verify certificates, ensuring end-to-end zero-trust encryption and authentication in service meshes.

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