CV0-004 Deployment Practice Question
A cloud engineer is deploying a web application to a Kubernetes cluster. The application requires zero downtime during updates, and the team wants to test new versions with a small percentage of users before full rollout. Which deployment strategy should the engineer 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
A canary deployment routes a small percentage of traffic to the new version, allowing monitoring and automatic rollback if issues arise, meeting the requirements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Rolling deployment
Why it's wrong here
Rolling updates instances incrementally but typically does not control traffic percentage per user.
- ✗
Blue/green deployment
Why it's wrong here
Blue/green uses two identical environments and switches all traffic at once, not a gradual shift.
- ✓
Canary deployment
Why this is correct
Canary deploys the new version to a subset of users, enabling gradual traffic shift and monitoring.
- ✗
Immutable deployment
Why it's wrong here
Immutable replaces entire instances but does not inherently support percentage-based traffic shift.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.