2026 CKA Valid Exam Labs: Certified Kubernetes Administrator (CKA) Program Exam - High Pass-Rate Linux Foundation Frenquent CKA Update

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Linux Foundation CKA Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Services & Networking	20%	- Use the Gateway API to manage Ingress traffic - Know how to use Ingress controllers and Ingress resources - Understand and use CoreDNS - Understand connectivity between Pods - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Define and enforce Network Policies
Topic 2: Storage	10%	- Understand volume mode, access modes and reclaim policies - Understand how to configure applications with persistent storage - Understand persistent volume claims primitive - Understand Storage Classes and Persistent Volumes
Topic 3: Workloads & Scheduling	15%	- Use label selectors to schedule Pods - Understand Deployments and rolling update/rollback - Use ConfigMaps and Secrets to configure applications - Understand how scheduler works - Understand how to run multiple schedulers and configure scheduler policies - Understand DaemonSets - Understand resource limits and requests - Understand Static Pods
Topic 4: Troubleshooting	30%	- Evaluate cluster and node logging - Troubleshoot cluster component failure - Troubleshoot networking - Manage container stdout & stderr logs - Troubleshoot application failure - Understand how to monitor applications
Topic 5: Cluster Architecture, Installation & Configuration	25%	- Prepare underlying infrastructure for installing a Kubernetes cluster - Create and manage Kubernetes clusters using kubeadm - Understand CRDs, install and configure operators - Use Helm and Kustomize to install cluster components - Implement and configure a highly-available control plane - Manage role based access control (RBAC) - Manage the lifecycle of Kubernetes clusters - Understand extension interfaces (CNI, CSI, CRI, etc.)

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q81-Q86):

NEW QUESTION # 81
Create a deployment called webapp with image nginx having 5 replicas in it, put the file in /tmp directory with named webapp.yaml

A. //Create a file using dry run command
kubectl create deploy --image=nginx --dry-run -o yaml >
/tmp/webapp.yaml
// Now, edit file webapp.yaml and update replicas=5
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: webapp
name: webapp
spec:
replicas: 5
selector:
matchLabels:
app: webapp
template:
metadata:
labels:
Note: Search "deployment" in kubernetes.io site , you will get
the page
https://kubernetes.io/docs/concepts/workloads/controllers/deplo
yment/
// Verify the Deployment
kubectl get deploy webapp --show-labels
// Output the YAML file of the deployment webapp
kubectl get deploy webapp -o yaml
B. //Create a file using dry run command
kubectl create deploy --image=nginx --dry-run -o yaml >
/tmp/webapp.yaml
// Now, edit file webapp.yaml and update replicas=5
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: webapp
name: webapp
spec:
replicas: 5
selector:
matchLabels:
app: webapp
template:
metadata:
labels:
app: webapp
spec:
containers:
- image: nginx
name: nginx
Note: Search "deployment" in kubernetes.io site , you will get
the page
https://kubernetes.io/docs/concepts/workloads/controllers/deplo
yment/
// Verify the Deployment
kubectl get deploy webapp --show-labels
// Output the YAML file of the deployment webapp
kubectl get deploy webapp -o yaml

Answer: B

NEW QUESTION # 82
You have a deployment named 'web-app' with three replicas, exposing the application using a 'LoadBalancer' service. The application uses an internal database service named 'db-service' that is running as a 'ClusterlP' service. You need to configure the 'web-app' deployment to only allow traffic from the service' to its internal port (e.g., 5432).

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a NetworkPolicy:
- Create a NetworkPolicy resource that allows traffic from the 'db-service' to the 'web-app' Deployment.

2. Apply the NetworkPolicy: - Apply the YAML file using 'kubectl apply -f networkpolicy.yaml'. 3. Verify the NetworkPolicy: - Check the status of the NetworkPolicy using 'kubectl get networkpolicies allow-db-to-web-app -n . 4. Test: - Ensure that the 'db-service' can communicate with the 'web-app' deployment on port 5432. - Attempt to connect to port 5432 on 'web-app' pods from outside the cluster or from other services/pods within the cluster that are not the 'db-service'. You should not be able to connect. Note: Replace with the actual namespace where your deployments and services are located.

NEW QUESTION # 83
Create a deployment as follows:
* Name: nginx-random
* Exposed via a service nginx-random
* Ensure that the service and pod are accessible via their respective DNS records
* The container(s) within any pod(s) running as a part of this deployment should use the nginx Image Next, use the utility nslookup to look up the DNS records of the service and pod and write the output to /opt
/KUNW00601/service.dns and /opt/KUNW00601/pod.dns respectively.

Answer:

Explanation:
Solution:

NEW QUESTION # 84
Given a partially-functioning Kubernetes cluster, identify symptoms of failure on the cluster.
Determine the node, the failing service, and take actions to bring up the failed service and restore the health of the cluster. Ensure that any changes are made permanently.
You can ssh to the relevant I nodes (bk8s-master-0 or bk8s-node-0) using:
[student@node-1] $ ssh <nodename>
You can assume elevated privileges on any node in the cluster with the following command:
[student@nodename] $ | sudo -i

Answer:

Explanation:
solution

NEW QUESTION # 85
Task Weight: 4%

Task
Scale the deployment webserver to 3 pods.

Answer:

Explanation:
Solution:

NEW QUESTION # 86
......

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