KCNA Cloud Native Architecture Practice Question
Which THREE are key characteristics of event-driven architecture? (Choose three.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Event processing can trigger multiple downstream actions
Event-driven architecture is based on producing, detecting, and reacting to events, with loose coupling between components and asynchronous communication.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Event processing can trigger multiple downstream actions
Why this is correct
Events can fan out to multiple consumers.
- ✗
Requires a central database for state
Why it's wrong here
State is often distributed or event-sourced.
- ✗
Synchronous communication between components
Why it's wrong here
Event-driven is typically asynchronous.
- ✓
Components communicate by emitting and reacting to events
Why this is correct
Events are the primary communication mechanism.
- ✓
Loose coupling between event producers and consumers
Why this is correct
Producers and consumers are independent.
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