CKA TEST STUDY PRACTICE & CKA VALID PDF TORRENT & CKA SAMPLE PRACTICE DUMPS

CKA test study practice & CKA valid pdf torrent & CKA sample practice dumps

CKA test study practice & CKA valid pdf torrent & CKA sample practice dumps

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Tags: CKA Exam Book, Exam CKA Labs, Reliable CKA Exam Pattern, Exam CKA Bible, CKA Guaranteed Questions Answers

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The CKA certification exam is designed to test the candidate's knowledge and expertise in deploying, managing, and troubleshooting Kubernetes applications. It is a performance-based exam that evaluates the candidate's ability to perform tasks on a live Kubernetes cluster. This ensures that the certification is a true reflection of the candidate's practical skills and not just theoretical knowledge.

The CKA exam is a hands-on, performance-based exam that requires candidates to complete a set of practical tasks within a given time frame. CKA Exam is conducted on a live Kubernetes cluster, and candidates are evaluated based on their ability to perform tasks such as creating and managing pods, configuring networking, and troubleshooting common issues. CKA exam is designed to test the skills of candidates in a real-world scenario, and it is considered one of the most challenging and prestigious certifications in the field of Kubernetes.

>> CKA Exam Book <<

Free PDF Quiz Linux Foundation - CKA - Valid Certified Kubernetes Administrator (CKA) Program Exam Exam Book

Printing these CKA valid questions and reading them in a handy paper format is another feature offered by Prep4sures Linux Foundation CKA PDF for test applicants who prefer more conventional reading experience. These incredible features of Linux Foundation CKA PDF Questions help applicants practice for the CKA exam wherever and whenever they want, according to their timetables.

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

NEW QUESTION # 50
Score:7%

Context
An existing Pod needs to be integrated into the Kubernetes built-in logging architecture (e. g. kubectl logs).
Adding a streaming sidecar container is a good and common way to accomplish this requirement.
Task
Add a sidecar container named sidecar, using the busybox Image, to the existing Pod big-corp-app. The new sidecar container has to run the following command:
/bin/sh -c tail -n+1 -f /va r/log/big-corp-app.log
Use a Volume, mounted at /var/log, to make the log file big-corp-app.log available to the sidecar container.

Answer:

Explanation:
See the solution below.
Explanation
Solution:
#
kubectl get pod big-corp-app -o yaml
#
apiVersion: v1
kind: Pod
metadata:
name: big-corp-app
spec:
containers:
- name: big-corp-app
image: busybox
args:
- /bin/sh
- -c
- >
i=0;
while true;
do
echo "$(date) INFO $i" >> /var/log/big-corp-app.log;
i=$((i+1));
sleep 1;
done
volumeMounts:
- name: logs
mountPath: /var/log
- name: count-log-1
image: busybox
args: [/bin/sh, -c, 'tail -n+1 -f /var/log/big-corp-app.log']
volumeMounts:
- name: logs
mountPath: /var/log
volumes:
- name: logs
emptyDir: {
}
#
kubectl logs big-corp-app -c count-log-1


NEW QUESTION # 51
Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.

Answer:

Explanation:
solution


NEW QUESTION # 52
You are deploying a new microservice to your Kubernetes cluster. This service needs to communicate with another service within the same cluster. You want to ensure that the communication between the two services is secure and reliable. Which container network interface plugin would you choose for this scenario and why?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Choose the appropriate Container Network Interface Plugin:
- For secure and reliable communication between services within the same Kubernetes cluster, the Calico container network interface plugin is a recommended choice.
2. Reasons for choosing Calico:
- Security: Calico provides robust network security features like network policies that allow you to define fine- grained access control rules between pods and services. This ensures secure communication only between authorized entities.
- Reliability: Calico offers high availability and reliability. It uses a distributed architecture and supports BGP for efficient routing and load balancing, leading to resilient network connectivity.
- Ease of Use: Calico integrates seamlessly with Kubernetes and is easy to configure and manage.
- Scalability: It's highly scalable, enabling you to manage large and complex Kubernetes environments.
3. Example Implementation:
- Install Calico: Use the 'kubectl' command to install Calico on your Kubernetes cluster:
kubectl apply -f https://docs.projectcalico.org/v3.19/getting-
started/kubernetes/installation/l .8+/manifests/calico.yaml
- Define Network Policies: Create network policies to control communication between your services. Here's an example:

This policy allows pods labeled 'app: microservice? to communicate with pods labeled 'app: microservice? within the 'default' namespace. 4. Verify the Configuration: - Use 'kubectl get networkpolicies' to list the defined network policies. - Test communication between your services. Note: Calico is a popular and highly regarded choice for Kubernetes networking. However, other plugins like Flannel and Weave are also viable options, depending on your specific requirements and preferences. ,


NEW QUESTION # 53
Monitor the logs of pod foo and:
* Extract log lines corresponding to error
unable-to-access-website
* Write them to/opt/KULM00201/foo

Answer:

Explanation:
See the solution below.
Explanation
solution


NEW QUESTION # 54
You have a Deployment named 'wordpress-deployment' running a WordPress application with two pods. The WordPress application needs to access a shared secret key stored in a Secret named 'wordpress- secret'. How do you ensure the secret key is securely mounted and available to both pods?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create the Secret:
- Create a Secret named 'wordpress-secret' containing the shared secret key. Use 'kubectl create secret generic' with the '-from-literal' flag to create a generic Secret:
kubectl create secret generic wordpress-secret --from-literal=wordpress-secret="your secret_key"
2. Configure the Deployment:
- Modify the 'wordpress-deployment' Deployment to mount the 'wordpress-secref Secret as a volume in the Pod template. Use 'volumeMounts' to specify the mount path and 'volumes' to define the Secret as a volume source:

3. Apply the Changes: - Apply the modified Deployment YAML using 'kubectl apply -f wordpress-deployment.yaml'. 4. Verify the Secret Mount: - Use 'kubectl exec' to access a pod in the 'wordpress-deployment' and verify that the Secret is mounted at the specified path (e.g., 'Ivar/run/secrets/wordpress'). 5. Access the Secret Key: - Within the WordPress application's code, access the secret key from the mounted path.


NEW QUESTION # 55
......

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