Teach Cloud - Cloud, DevOps, and Python Backend Development Blog

❓ Quiz Question

Oct 25, 2026

Quiz: What is the 'Strangler Fig' pattern when transitioning from a legacy monolith to microservices?

… incrementally replaces monolithic functionality with microservices behind an API gateway, minimizing migration risk.

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❓ Quiz Question

Oct 25, 2026

Quiz: What is the purpose of an API Gateway (e.g., Kong, Traefik, Envoy) in a microservices architecture?

An API Gateway shields internal microservices by consolidating perimeter concerns: authentication, SSL, rate-limiting, and client protocol translation.

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❓ Quiz Question

Oct 25, 2026

Quiz: Which design pattern coordinates distributed transactions across multiple microservices without requiring two-phase commit (2PC)?

The Saga Pattern manages distributed transactions as a series of local transactions, executing compensating transactions if any step fails.

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❓ Quiz Question

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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❓ Quiz Question

Oct 25, 2026

Quiz: What problem does the Transactional Outbox Pattern solve in distributed microservices?

The Outbox Pattern writes the event to a database table within the same ACID transaction as the entity, which a message relay then publishes to the broker.

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❓ Quiz Question

Oct 25, 2026