CKAD Practice Test: Kubernetes Developer Skills

1. Which Kubernetes object encapsulates one or more containers and represents the smallest deployable unit?

Pod

Container

Node

Cluster

2. What is the primary purpose of a Service in Kubernetes?

To manage container images

To provide stable network access to pods

To schedule pod replicas

To store persistent data

3. A Deployment ensures a specified number of pod replicas are running. How do you scale a deployment to 5 replicas?

Kubectl scale deployment my-app --replicas=5

Kubectl update deployment my-app replicas 5

Kubectl set replicas deployment/my-app 5

Kubectl apply replicas=5 deployment my-app

4. Which ConfigMap use case allows you to inject environment variables into a pod?

Volume mount only

Environment variables via envFrom or env

Labels and annotations

Resource requests only

5. What command lists all pods across all namespaces?

Kubectl get pods

Kubectl get pods --all-namespaces

Kubectl list pods -a

Kubectl show all pods

6. A pod has a container that is crashing. Which command shows the logs of the previous container instance?

Kubectl logs pod-name --previous

Kubectl logs pod-name -p

Kubectl describe pod pod-name

Both a and b are correct

7. Which resource type is used to define a reusable configuration template for multiple pods?

StatefulSet

DaemonSet

Deployment

PodTemplate

8. What does a Liveness Probe do in Kubernetes?

Determines if a pod is ready to accept traffic

Restarts a container if it becomes unresponsive

Allocates CPU and memory resources

Manages persistent volume claims

9. Which RBAC object grants permissions to perform specific actions on resources?

ServiceAccount

ClusterRoleBinding

Role

NetworkPolicy

10. A pod requires persistent storage that survives pod deletion. Which resource should you use?

EmptyDir volume

PersistentVolumeClaim

ConfigMap

Secret

11. How do you execute a command inside a running pod?

Kubectl run pod-name command

Kubectl exec pod-name -- command

Kubectl apply -f exec.yaml

Kubectl execute pod-name command

12. A ClusterIP service is used for communication between pods within the cluster. Is this statement true?

True

False

13. Which kubectl command applies a YAML manifest to the cluster?

Kubectl create -f file.yaml

Kubectl apply -f file.yaml

Kubectl deploy file.yaml

Kubectl set -f file.yaml

14. A Readiness Probe is used to determine if a container is ready to receive traffic. Is this statement true?