KCNA Cloud Native Architecture Practice Question
In an event-driven architecture, what is the role of an event broker?
⚠ Common exam trap
CNCF often tests the misconception that the event broker performs processing or transformation, but its core role is purely intermediary—routing events without executing business logic.
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
✓
To intermediate between event producers and consumers
In an event-driven architecture, the event broker acts as a middleware that decouples event producers from consumers by receiving events from producers and forwarding them to interested consumers. This intermediary role ensures asynchronous communication, scalability, and fault tolerance without requiring producers and consumers to be directly aware of each other. Technologies like Apache Kafka, RabbitMQ, or cloud-native services such as AWS EventBridge exemplify this pattern.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
To intermediate between event producers and consumers
Why this is correct
The broker ensures reliable delivery and routing.
- ✗
To run event-processing logic
Why it's wrong here
Processing logic is the consumer's responsibility.
- ✗
To transform events into API calls
Why it's wrong here
Transformation is not the primary role.
- ✗
To store event schemas
Why it's wrong here
Schema registry is separate.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCNA exam.