KCNA Cloud Native Application Delivery Practice Question
A DevOps team wants to adopt a deployment pattern where a new version of an application is gradually rolled out to a small subset of users before full deployment. Which progressive delivery technique should they use?
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
✓
Canary deployment
Canary deployment releases the new version to a small percentage of users initially, then gradually increases traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Canary deployment
Why this is correct
Canary releases a new version to a small subset of users, monitoring before full rollout.
- ✗
Rolling update
Why it's wrong here
Rolling update replaces pods incrementally but does not allow fine-grained traffic splitting.
- ✗
Blue-green deployment
Why it's wrong here
Blue-green switches all traffic at once, not gradual.
- ✗
Recreate deployment
Why it's wrong here
Recreate destroys all old pods before creating new ones, causing downtime.
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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.