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Which scenario best illustrates a request-driven microservice interaction?

easy📝 Conceptual Q2 of 15
Microservices - Event-Driven Architecture
Which scenario best illustrates a request-driven microservice interaction?
AService A publishes an event and continues without waiting
BService A logs an event for auditing purposes
CService A sends a command and waits for Service B's response immediately
DService A stores data locally without contacting other services
Step-by-Step Solution
Solution:
  1. Step 1: Identify request-driven behavior

    Request-driven means a service sends a request and waits for a response before proceeding.
  2. Step 2: Match scenario to request-driven

    Service A sending a command and waiting for Service B's immediate response fits request-driven interaction.
  3. Final Answer:

    Service A sends a command and waits for Service B's response immediately -> Option C
  4. Quick Check:

    Request-driven example = B [OK]
Quick Trick: Waiting for response means request-driven [OK]
Common Mistakes:
MISTAKES
  • Confusing event publishing with request calls
  • Ignoring the waiting behavior
  • Assuming logging is communication

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