Simulation CKA Questions | CKA Valid Dumps Free

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The Certified Kubernetes Administrator (CKA) Program Certification Exam is an industry-recognized certification that validates an individual's expertise in deploying, managing, and troubleshooting Kubernetes clusters. CKA exam is designed to test the candidate's practical skills and knowledge in various aspects of Kubernetes administration, such as pod scheduling, network configuration, storage management, and security. Certified Kubernetes Administrator (CKA) Program Exam certification is offered by the Linux Foundation, a non-profit organization that promotes the adoption of open-source software and technologies.

The CKA Certification is ideal for IT professionals who work with Kubernetes and want to demonstrate their proficiency in the field. CKA exam is vendor-neutral, meaning it is not tied to any particular cloud provider or Kubernetes distribution. As a result, the certification is widely recognized by employers and can help candidates stand out in a competitive job market. Additionally, the CKA certification can help organizations identify qualified Kubernetes administrators who can help them deploy and manage their containerized applications effectively.

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q67-Q72):

NEW QUESTION # 67
You have a Kubernetes cluster with a Deployment named 'web-app' that runs a web application. You need to set up a mechanism to automatically scale the deployment based on the CPU utilization of the pods. The scaling should be triggered when the average CPU utilization across all pods reaches 70%. You should set the minimum and maximum replicas to 2 and 5 respectively.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Horizontal Pod Autoscaler (HPA):
- Use "kubectl create hpa' command to create an HPA resource.
- Specify the name of the HPA, the Deployment to scale, the target CPU utilization (70%), and the minimum and maximum replicas.
kubectl create hpa web-app-hpa --min=2 --max=5 --cpu-utilization-percentage=70 --target- ref=Deployment/web-app
2. Verify the HPA Creation:
- Use 'kubectl get hpa' command to check if the HPA was created successfully. You should see an HPA named 'web-app-hpa' with the configured settings.
3. Monitor the Scaling Behavior:
- You can use the 'kubectl get pods -l command to monitor the number of pods running as the CPU utilization changes.
- When the average CPU utilization across the pods reaches 70%, the HPA will automatically scale up the Deployment to add more pods.
- Conversely, when the CPU utilization falls below the threshold, the HPA will scale down the Deployment to reduce the number of pods.
Ensure that the 'metrics-server' is installed in your cluster to enable CPU utilization monitoring.,


NEW QUESTION # 68
Create an nginx pod and set an env value as 'var1=val1'. Check the env value existence within the pod

Answer: A


NEW QUESTION # 69
You have a Deployment running a web application with three replicas. The application is exposed using a 'NodePort' service. You need to configure the service so that it allows traffic only from specific IP addresses (e.g., 192.168.1.10, 192.168.1.20).

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a NetworkPolicy:
- Define a NetworkPolicy resource that allows traffic from the specified IP addresses to the Deployment pods.

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-specific-ips -n 4. Test the Access: - Attempt to access the web application from the allowed IP addresses. You should be able to access it. - Try to access the application from other IP addresses. You should not be able to access it. Note: Replace " with the actual namespace where your Deployment and NetworkPolicy are located.


NEW QUESTION # 70
Score: 4%

Task
Schedule a pod as follows:
* Name: nginx-kusc00401
* Image: nginx
* Node selector: disk=ssd

Answer:

Explanation:
Solution:
#yaml
apiVersion: v1
kind: Pod
metadata:
name: nginx-kusc00401
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
nodeSelector:
disk: spinning
#
kubectl create -f node-select.yaml


NEW QUESTION # 71
Scale the deployment to 5 replicas

Answer:

Explanation:
kubectl scale deployment webapp -replicas=5 //Verify kubectl get deploy kubectl get po,rs


NEW QUESTION # 72
......

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