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

❓ Quiz Question

Oct 25, 2026

Quiz: In Celery distributed task architecture, what is the role of the Broker versus the Result Backend?

The Broker delivers task invocation payloads to worker queues; the Result Backend stores async return values, exceptions, and task states.

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

A Dead Letter Queue captures poison pill messages that exceed retry limits, preventing consumer crash-loops and enabling triage.

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❓ Quiz Question

Oct 25, 2026

Quiz: In a microservice architecture, how does Client-Side Load Balancing (e.g. Envoy, gRPC channel) work?

Client-Side Load Balancing shifts routing decisions to the caller using cached service registry endpoints, eliminating an extra network hop.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is a Multi-Region Active-Active cloud deployment?

An Active-Active Multi-Region setup distributes user traffic across multiple live cloud regions simultaneously, providing near-zero downtime even if an entire region fails.

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❓ Quiz Question

Aug 30, 2026