KCNA Cloud Native Architecture Practice Question
Which TWO are benefits of using a service mesh in cloud-native applications?
⚠ Common exam trap
CNCF often tests the misconception that a service mesh reduces latency or replaces monitoring, when in fact it adds a small overhead and complements, rather than replaces, existing monitoring tools.
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
✓
Advanced traffic management capabilities
A service mesh provides advanced traffic management capabilities such as fine-grained routing, canary deployments, and circuit breaking through sidecar proxies (e.g., Envoy). These capabilities allow operators to control traffic flow between microservices without modifying application code, enabling resilient and observable communication patterns.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Eliminates need for application monitoring
Why it's wrong here
Monitoring is still needed.
- ✓
Advanced traffic management capabilities
Why this is correct
Traffic routing, retries, etc.
- ✗
Simplified persistent storage management
Why it's wrong here
Not related to storage.
- ✓
Automatic mTLS encryption between services
Why this is correct
Secure communication without code changes.
- ✗
Reduced network latency
Why it's wrong here
Adds some latency due to sidecar proxies.
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.