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Which communication style is most commonly used between microservices for synchronous calls?

easy📝 Conceptual Q2 of 15
Microservices - Orchestration with Kubernetes
Which communication style is most commonly used between microservices for synchronous calls?
AMessage queues
BEvent streaming
CHTTP/REST
DBatch file transfer
Step-by-Step Solution
Solution:

  1. Step 1: Identify synchronous communication

    Synchronous calls wait for a response immediately, commonly done via HTTP/REST.

  2. Step 2: Differentiate other options

    Message queues and event streaming are asynchronous; batch file transfer is not real-time.

  3. Final Answer:

    HTTP/REST -> Option C

  4. Quick Check:

    Synchronous microservice calls = HTTP/REST [OK]
Quick Trick: Synchronous means waiting; HTTP/REST fits best [OK]
Common Mistakes:
MISTAKES
  • Choosing message queues for sync calls
  • Confusing async with sync communication
  • Selecting batch transfer for real-time calls

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