technology hard mcq

Which pattern enables microservices to communicate asynchronously using message queues?

  1. REST APIs
  2. Event-Driven Architecture
  3. gRPC
  4. Both B and C

Answer: Event-Driven Architecture

Event-driven architecture uses message brokers (Kafka, RabbitMQ) for decoupled, asynchronous service communication. Enables scalability, resilience, and real-time processing.

Topic Cloud Architecture
Exam Relevance SSC JE, Banking IT, UPSC

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