CKA YAML Configuration

Question 1

What format are Kubernetes manifest files typically written in?

Accepted Answer

YAML

Answer

Kubernetes uses YAML (YAML Ain't Markup Language) for manifest files that define resources like Pods, Services, and Deployments.

Question 2

What are the four required fields in a Kubernetes manifest?

Accepted Answer

apiVersion, kind, metadata, spec

Answer

Every Kubernetes manifest requires apiVersion (API group), kind (resource type), metadata (name and labels), and spec (desired state).

Question 3

What does 'kubectl apply -f' do?

Accepted Answer

Creates or updates resources defined in a file

Answer

kubectl apply -f applies the configuration from a YAML file, creating the resource if it doesn't exist or updating it if it does.

Question 4

What is a Kubernetes label?

Accepted Answer

A key-value pair attached to resources for identification and selection

Answer

Labels are key-value pairs attached to Kubernetes objects that can be used to organize, select, and filter resources.

Question 5

What is a Kubernetes namespace?

Accepted Answer

A virtual cluster partition for organizing resources

Answer

Namespaces provide virtual cluster partitioning, allowing teams or projects to share a cluster while isolating their resources.

(CKA) Certified Kubernetes Associate Practice Test