100% Pass Quiz Linux Foundation - The Best Training CKA Pdf

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Linux Foundation CKA Exam Syllabus Topics:

Section	Weight	Objectives
Storage	10%	- PersistentVolumes and PersistentVolumeClaims - Storage classes
Services & Networking	20%	- Services (ClusterIP, NodePort, LoadBalancer) - Network policies - Ingress configuration
Workloads & Scheduling	15%	- ConfigMaps and Secrets - Scheduling constraints - Deployments and rolling updates
Cluster Architecture, Installation & Configuration	25%	- Cluster installation and configuration - Kubernetes architecture components - High availability setup
Troubleshooting	30%	- Cluster component troubleshooting - Application and networking debugging

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q50-Q55):

NEW QUESTION # 50
A Kubernetes worker node, named .Investigate why this is the case,
andperform any appropriate steps tobring the node to a state,ensuring that any changes are madepermanent.
You cansshto the failednode using:
[student@node-1] $ | sshWk8s-node-0
You can assume elevatedprivileges on the node with thefollowing command:
[student@w8ks-node-0] $ |sudo -i

Answer:

Explanation:
See the solution below.
Explanation
solution

NEW QUESTION # 51
Score: 5%

Task
Monitor the logs of pod bar and:
* Extract log lines corresponding to error
* Write them to /opt/KUTR00101/bar

Answer:

Explanation:
See the solution below.
Explanation
Solution:
kubectl logs bar | grep 'unable-to-access-website' > /opt/KUTR00101/bar cat /opt/KUTR00101/bar

NEW QUESTION # 52
List all persistent volumes sorted by capacity, saving the full kubectl output to /opt/KUCC00102/volume_list.
Use kubectl 's own functionality for sorting the output, and do not manipulate it any further.

Answer:

Explanation:

NEW QUESTION # 53
Create a secret mysecret with values user=myuser and password=mypassword

A. kubectl create secret generic my-secret --fromliteral=username=user --from-literal=password=mypassword
// Verify
kubectl get secret --all-namespaces
kubectl get secret generic my-secret -o yaml
B. kubectl create secret generic my-secret --fromliteral=username=user --from-literal=password=mypassword
// Verify
kubectl get secret generic my-secret -o yaml

Answer: A

NEW QUESTION # 54
Create a redis pod named "test-redis" and exec into that pod and create a file named "test-file.txt" with the text 'This is called the test file' in the path /data/redis and open another tab and exec again with the same pod and verifies file exist in the same path.

A. vim test-redis.yaml
apiVersion: v1
kind: Pod
metadata:
name: test-redis
spec:
containers:
- name: redis
image: redis
ports:
- containerPort: 6379
volumeMounts:
- mountPath: /data/redis
name: redis-storage
volumes:
kubectl exec -it test-redis /bin/sh
cd /data/redis
echo 'This is called the test file' > file.txt
//open another tab
kubectl exec -it test-redis /bin/sh
cat /data/redis/file.txt
B. vim test-redis.yaml
apiVersion: v1
kind: Pod
metadata:
name: test-redis
spec:
containers:
- name: redis
image: redis
ports:
- containerPort: 6379
volumeMounts:
- mountPath: /data/redis
name: redis-storage
volumes:
- name: redis-storage
emptyDir: {}
kubectl apply -f redis-pod-vol.yaml
// first terminal
kubectl exec -it test-redis /bin/sh
cd /data/redis
echo 'This is called the test file' > file.txt
//open another tab
kubectl exec -it test-redis /bin/sh
cat /data/redis/file.txt

Answer: B

NEW QUESTION # 55
......

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