AI0-001 AI Implementation and Operations Practice Question
A company must deploy a new model version with zero downtime. The current model is served via a REST API on a Kubernetes cluster. Which deployment strategy should the team use to gradually shift traffic to the new version while monitoring for errors?
⚠ Common exam trap
Many exam-takers confuse 'rolling update' with 'canary deployment' because both involve gradual changes, but a rolling update replaces pods sequentially without the ability to route a controlled subset of traffic for targeted monitoring and rollback.
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 gradually shifts a small percentage of traffic to the new model version while the majority continues to hit the stable version. This allows the team to monitor for errors and roll back quickly if issues arise, achieving zero downtime. It is the ideal strategy for validating a new model in production with minimal risk.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Blue-green deployment
Why it's wrong here
Blue-green reduces downtime but does not gradually shift traffic; it switches all at once.
- ✓
Canary deployment
Why this is correct
Canary deployment gradually routes traffic to the new version for safe rollout.
- ✗
Recreate deployment
Why it's wrong here
Recreate terminates all old pods before creating new ones, causing downtime.
- ✗
Rolling update
Why it's wrong here
Rolling update replaces pods gradually but may cause transient errors during update.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AI0-001 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 AI0-001 exam.