CV0-004 Deployment Practice Question
An organization wants to deploy a new application with zero downtime by switching traffic between two identical production environments. Which deployment strategy should be used?
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
✓
Blue/green deployment
Blue/green deployment involves maintaining two identical environments; traffic is switched from the old (blue) to the new (green) environment via DNS or load balancer, enabling zero downtime.
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, not a full environment switch.
- ✗
Canary deployment
Why it's wrong here
Canary shifts traffic gradually, not a full switch.
- ✗
In-place deployment
Why it's wrong here
In-place updates existing instances, causing downtime.
- ✓
Blue/green deployment
Why this is correct
Correct description of blue/green.
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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.