KCNA Cloud Native Architecture Practice Question
In an event-driven architecture using a message broker, which component is responsible for receiving events and forwarding them to subscribed services?
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
✓
Message broker
A message broker (like Kafka or RabbitMQ) receives and forwards events. An API gateway routes HTTP requests, a service mesh handles service-to-service communication, and a load balancer distributes network traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Service mesh
Why it's wrong here
Service mesh manages internal traffic.
- ✓
Message broker
Why this is correct
Message broker decouples event producers and consumers.
- ✗
API gateway
Why it's wrong here
API gateway handles synchronous API calls.
- ✗
Load balancer
Why it's wrong here
Load balancer distributes incoming requests.
Go deeper
Related to this question
Learn chapter
Cloud Native Architecture and Concepts
Key term
Service Mesh
A service mesh is a dedicated infrastructure layer that manages communication between microservices, handling tasks like service discovery, load balancing, encryption, and observability without requiring changes to application code.
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JA
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.