CV0-004 Deployment Practice Question
An organization wants to deploy a new microservice to a Kubernetes cluster with zero downtime. The deployment should update pods gradually by replacing old pods with new ones, and if the new pods fail health checks, the rollout should stop. Which Kubernetes deployment strategy meets these requirements?
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
✓
Rolling update
A rolling update strategy in Kubernetes replaces pods incrementally and can be configured to pause on failed health checks.
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
Why it's wrong here
Canary is not a native Kubernetes deployment strategy; it's implemented via service mesh or additional tooling.
- ✗
Recreate
Why it's wrong here
Recreate terminates all old pods before creating new ones, causing downtime.
- ✓
Rolling update
Why this is correct
Rolling update gradually replaces pods and can be configured to stop on failed readiness probes.
- ✗
Blue/green
Why it's wrong here
Blue/green involves two full environments and a switch; it's not a native Kubernetes strategy.
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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.