KCNA Cloud Native Architecture Practice Question
Which of the following is a benefit of using a service mesh?
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
✓
It provides observability and traffic management
A service mesh provides observability, traffic management, and security (mTLS) without changing application code. It does not reduce the number of microservices, replace Kubernetes, or provide storage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It eliminates the need for Kubernetes
Why it's wrong here
Service mesh runs on top of Kubernetes.
- ✗
It provides persistent storage for stateful applications
Why it's wrong here
Storage is not a service mesh function.
- ✓
It provides observability and traffic management
Why this is correct
These are primary benefits.
- ✗
It reduces the number of microservices needed
Why it's wrong here
Service mesh does not reduce service count.
Go deeper
Related to this question
Learn chapter
Kubernetes Overview and Core Components
Key term
ReplicaSet and Replication
A ReplicaSet ensures a specified number of identical pod instances are running at all times in Kubernetes, using replication to maintain availability and stability.
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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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.