KCNA Cloud Native Architecture Practice Question
A team wants to deploy a serverless function using Knative. Which core primitive does Knative rely on to run serverless workloads on Kubernetes?
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
✓
Service
Knative Serving uses the 'Service' resource to manage serverless workloads. 'Deployment' is a lower-level resource, 'Function' is not a Kubernetes resource, and 'Pod' is too granular.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Pod
Why it's wrong here
Pods are managed by higher-level abstractions.
- ✓
Service
Why this is correct
Knative Service is the top-level resource.
- ✗
Deployment
Why it's wrong here
Knative abstracts away Deployments.
- ✗
Function
Why it's wrong here
'Function' is not a standard Kubernetes resource.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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