KCNA Cloud Native Architecture Practice Question
What is the primary function of a service mesh like Istio?
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 handle inter-service communication with features like traffic control and security
A service mesh provides observability, traffic management, and security for microservices 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.
- ✗
To build container images
Why it's wrong here
Image building is done by tools like Docker, not service mesh.
- ✓
To handle inter-service communication with features like traffic control and security
Why this is correct
Service mesh adds a dedicated infrastructure layer for managing service-to-service communication.
- ✗
To manage container orchestration
Why it's wrong here
Orchestration is handled by Kubernetes, not the service mesh.
- ✗
To provide persistent storage for stateful applications
Why it's wrong here
Storage is provided by volumes and CSI drivers, not service mesh.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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