CKA Practice Test: Kubernetes Administration

1. What is the primary role of the kubelet component in a Kubernetes cluster?

Manages API requests and cluster state

Ensures containers run in pods on nodes

Handles network communication between pods

Stores cluster configuration data

2. Which kubectl command lists all pods across all namespaces?

Kubectl get pods --all-namespaces

Kubectl list pods -a

Kubectl show pods global

Kubectl pods --namespace=*

3. What does a Kubernetes Service provide?

Persistent storage for containers

Stable network endpoint for pod access

Automated pod scaling policies

Container image registry management

Submit

5. Which resource type is used to declaratively manage replica sets and rolling updates?

ReplicaSet

Deployment

StatefulSet

DaemonSet

6. What is the purpose of a NetworkPolicy in Kubernetes?

Configure DNS resolution for pods

Define ingress and egress rules for pod traffic

Manage cluster node networking

Load balance external traffic

Submit

8. Which type of PersistentVolume is suitable for a single pod and is deleted when the pod terminates?

EmptyDir

HostPath

Nfs

AwsElasticBlockStore

9. What command initializes a Kubernetes control plane node on a fresh system?

Kubeadm init

Kubectl cluster-init

Kubelet --init-master

Kube-controller-manager start

Submit

11. Which Kubernetes object is used to expose an application running on a set of pods as a network service?

Ingress

Service

Endpoint

ConfigMap

Submit

13. What does the admission controller in Kubernetes do?

Authenticates API requests

Intercepts and validates or mutates API requests

Schedules pods on nodes

Monitors cluster resource usage

14. Which command would you use to drain a node before maintenance while respecting pod disruption budgets?

Kubectl drain --ignore-daemonsets

Kubectl delete node

Kubectl cordon

Kubectl stop node

Submit

Certified Kubernetes Administrator (CKA) Practice Test

1. What is the primary role of the kubelet component in a Kubernetes cluster?

2.

What first name or nickname would you like us to use?

2. Which kubectl command lists all pods across all namespaces?

3. What does a Kubernetes Service provide?

4. In Kubernetes, a ____ is the smallest deployable unit and contains one or more containers.

5. Which resource type is used to declaratively manage replica sets and rolling updates?

6. What is the purpose of a NetworkPolicy in Kubernetes?

7. A Kubernetes ____ is a logical grouping of resources and provides isolation for workloads.

8. Which type of PersistentVolume is suitable for a single pod and is deleted when the pod terminates?

9. What command initializes a Kubernetes control plane node on a fresh system?

10. In RBAC, a ____ is a set of permissions that define what actions can be performed on resources.

11. Which Kubernetes object is used to expose an application running on a set of pods as a network service?

12. A ConfigMap is typically used to store application ____ data that can be referenced by pods.

13. What does the admission controller in Kubernetes do?

14. Which command would you use to drain a node before maintenance while respecting pod disruption budgets?

15. A StatefulSet maintains a sticky identity for each pod, making it suitable for ____ applications.