KCNA Cloud Native Application Delivery Practice Question
A team uses Argo Rollouts for progressive delivery. They configure a canary rollout with a traffic split of 20% to the new version. After verification, the rollout automatically increases traffic to 100%. Which Argo Rollout manifest field controls this gradual traffic increase?
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
✓
strategy.canary.steps
The steps field in an Argo Rollout defines the sequence of canary steps, including traffic percentages. Option B (strategy.canary.steps) is correct. Option A (strategy.canary.trafficRouting) configures how traffic routing is done (e.g., with a service mesh). Option C (spec.replicas) sets the total replicas. Option D (template.spec.containers) defines containers.
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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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