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

❓ Quiz Question

Oct 25, 2026

Quiz: What is the core architectural principle of a microservice in distributed systems?

… high cohesion , bounded contexts, and independent database ownership per service.

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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

Aug 12, 2026

Quiz: What is the core architectural difference between Amazon SQS and Amazon SNS?

SQS queues messages for worker polling (point-to-point); SNS broadcasts messages to multiple subscribing endpoints (fan-out push model).

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❓ Quiz Question

Aug 12, 2026

Quiz: What is the role of Amazon CloudFront in cloud architecture?

Amazon CloudFront securely delivers data, videos, applications, and APIs to users globally with low latency and high transfer speeds via edge locations.

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❓ Quiz Question

Aug 12, 2026

Quiz: What does an Auto Scaling Group (ASG) do when traffic surges on an application?

An Auto Scaling Group dynamically adjusts instance count to maintain steady performance during traffic spikes and reduce costs during quiet periods.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is AWS Fargate?

AWS Fargate lets you run Docker containers without having to provision, configure, patch, or scale virtual machine clusters yourself.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is the primary purpose of Amazon ElastiCache in high-scale web applications?

Amazon ElastiCache accelerates application performance by caching frequently accessed data in sub-millisecond in-memory stores like Redis and Memcached.

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❓ Quiz Question

Aug 12, 2026

Quiz: In cloud observability, how do Prometheus and Grafana complement each other?

Prometheus acts as the time-series metric collector and alerting engine, while Grafana provides rich visualization dashboards.

#DevOps Engineering #Quiz #Interactive

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