KCNA Cloud Native Architecture Practice Question
A development team wants to deploy a serverless function that triggers when a file is uploaded to an S3 bucket. Which cloud native technology is most appropriate for this scenario?
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
✓
Knative
Knative is a Kubernetes-based platform to build, deploy, and manage serverless workloads, including event-driven functions. AWS Lambda is a proprietary service, not a cloud native project.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Lambda
Why it's wrong here
AWS Lambda is a proprietary service, not a cloud native project hosted by CNCF.
- ✗
Helm
Why it's wrong here
Helm is a package manager for Kubernetes, not a serverless platform.
- ✓
Knative
Why this is correct
Knative is a CNCF incubating project that provides serverless capabilities on Kubernetes, including event-driven functions.
- ✗
Istio
Why it's wrong here
Istio is a service mesh, not a serverless platform.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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JA
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.