KCNA Cloud Native Application Delivery Practice Question
Which tool can be used to implement feature flags in a Kubernetes-native progressive delivery setup?
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
✓
Argo Rollouts
Argo Rollouts supports progressive delivery with features like canary, blue-green, and integration with service mesh for traffic shifting, and can be combined with feature flag systems.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Argo Rollouts
Why this is correct
Argo Rollouts provides canary deployments and integrates with feature flag systems like Flagd.
- ✗
Kustomize
Why it's wrong here
Kustomize is for configuration customization, not feature flags.
- ✗
Helm
Why it's wrong here
Helm is a package manager, not specifically for feature flags.
- ✗
Flux
Why it's wrong here
Flux is a GitOps tool, but does not natively handle feature flags.
Go deeper
Related to this question
Learn chapter
Cloud Native Architecture and Concepts
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.