Flexible Linux Foundation CKA Learning Mode - Valid CKA Exam Pattern

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The Linux Foundation CKA exam practice questions are being offered in three different formats. These formats are Linux Foundation CKA web-based practice test software, desktop practice test software, and PDF dumps files. All these three Linux Foundation CKA exam questions format are important and play a crucial role in your Certified Kubernetes Administrator (CKA) Program Exam (CKA) exam preparation. With the Linux Foundation CKA exam questions you will get updated and error-free Certified Kubernetes Administrator (CKA) Program Exam (CKA) exam questions all the time. In this way, you cannot miss a single Actual4Cert Linux Foundation CKA exam question without an answer.

The CKA Certification Exam is designed to be challenging, and passing it requires a significant amount of preparation and practice. The Linux Foundation offers a variety of training courses and study materials to help candidates prepare for the exam. The CKA certification is highly valued by employers and IT professionals alike, as it demonstrates a high level of proficiency in managing Kubernetes clusters and ensures that the certified professional is up-to-date with the latest best practices in the industry.

>> Flexible Linux Foundation CKA Learning Mode <<

Valid CKA Exam Pattern, Exam CKA Preview

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q23-Q28):

NEW QUESTION # 23
Score:7%

Task
Create a new PersistentVolumeClaim
* Name: pv-volume
* Class: csi-hostpath-sc
* Capacity: 10Mi
Create a new Pod which mounts the PersistentVolumeClaim as a volume:
* Name: web-server
* Image: nginx
* Mount path: /usr/share/nginx/html
Configure the new Pod to have ReadWriteOnce access on the volume.
Finally, using kubectl edit or kubectl patch expand the PersistentVolumeClaim to a capacity of 70Mi and record that change.

Answer:

Explanation:
Solution:
vi pvc.yaml
storageclass pvc
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: pv-volume
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 10Mi
storageClassName: csi-hostpath-sc
# vi pod-pvc.yaml
apiVersion: v1
kind: Pod
metadata:
name: web-server
spec:
containers:
- name: web-server
image: nginx
volumeMounts:
- mountPath: "/usr/share/nginx/html"
name: my-volume
volumes:
- name: my-volume
persistentVolumeClaim:
claimName: pv-volume
# craete
kubectl create -f pod-pvc.yaml
#edit
kubectl edit pvc pv-volume --record


NEW QUESTION # 24

Task
Create a new Ingress resource as follows:
. Name: echo
. Namespace : sound-repeater
. Exposing Service echoserver-service on
http://example.org/echo
using Service port 8080
The availability of Service
echoserver-service can be checked
i
using the following command, which should return 200 :
[candidate@cka000024] $ curl -o /de v/null -s -w "%{http_code} "
http://example.org/echo

Answer:

Explanation:
Task Summary
Create an Ingress named echo in the sound-repeater namespace that:
* Routes requests to /echo on host example.org
* Forwards traffic to service echoserver-service
* Uses service port 8080
* Verification should return HTTP 200 using curl
# Step-by-Step Answer
1## SSH into the correct node
As shown in the image:
bash
CopyEdit
ssh cka000024
## Skipping this will result in a ZERO score!
2## Verify the namespace and service
Ensure the sound-repeater namespace and echoserver-service exist:
kubectl get svc -n sound-repeater
Look for:
echoserver-service ClusterIP ... 8080/TCP
3## Create the Ingress manifest
Create a YAML file: echo-ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: echo
namespace: sound-repeater
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /$1
spec:
rules:
- host: example.org
http:
paths:
- path: /echo
pathType: Prefix
backend:
service:
name: echoserver-service
port:
number: 8080
4## Apply the Ingress resource
kubectl apply -f echo-ingress.yaml
5## Test with curl as instructed
Use the exact verification command:
curl -o /dev/null -s -w "%{http_code} "
http://example.org/echo
# You should see:
200
# Final Answer Summary
ssh cka000024
kubectl get svc -n sound-repeater
# Create the Ingress YAML
cat <<EOF > echo-ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: echo
namespace: sound-repeater
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /$1
spec:
rules:
- host: example.org
http:
paths:
- path: /echo
pathType: Prefix
backend:
service:
name: echoserver-service
port:
number: 8080
EOF
kubectl apply -f echo-ingress.yaml
curl -o /dev/null -s -w "%{http_code} "
http://example.org/echo


NEW QUESTION # 25
Get the memory and CPU usage of all the pods and find out top 3 pods which have the highest usage and put them into the cpuusage.txt file

Answer: B


NEW QUESTION # 26
Create a Job with an image node which prints node version and
verifies there is a pod created for this job

Answer: A


NEW QUESTION # 27
For this item, you will have to ssh to the nodes ik8s-master-0 and ik8s-node-0 and complete all tasks on these nodes. Ensure that you return to the base node (hostname: node-1) when you have completed this item.
Context
As an administrator of a small development team, you have been asked to set up a Kubernetes cluster to test the viability of a new application.
Task
You must use kubeadm to perform this task. Any kubeadm invocations will require the use of the --ignore- preflight-errors=all option.
* Configure the node ik8s-master-O as a master node. .
* Join the node ik8s-node-o to the cluster.

Answer:

Explanation:
You must use the kubeadm configuration file located at /etc/kubeadm.conf when initializing your cluster.
You may use any CNI plugin to complete this task, but if you don't have your favourite CNI plugin's manifest URL at hand, Calico is one popular option: https://docs.projectcalico.org/v3.14/manifests/calico.yaml Docker is already installed on both nodes and apt has been configured so that you can install the required tools.


NEW QUESTION # 28
......

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