CKA TRAINING MATERIALS & CKA DUMPS PDF & CKA EXAM CRAM

CKA Training Materials & CKA Dumps PDF & CKA Exam Cram

CKA Training Materials & CKA Dumps PDF & CKA Exam Cram

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Linux Foundation CKA (Certified Kubernetes Administrator) program is an advanced certification program that focuses on the container orchestration technology, Kubernetes. The CKA exam is designed to test the skills and knowledge of administrators in Kubernetes and certify them as experts in the field. The program is highly respected in the industry and is recognized as a standard for Kubernetes certification.

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q14-Q19):

NEW QUESTION # 14
You are managing a Kubernetes cluster with a team of developers. You need to ensure that each developer only has access to the resources they need. For example, Developer A can only access the 'frontend' namespace and deploy applications there.
Developer B can access the 'backend' namespace and manage deployments and services.
Developer C can access the 'monitoring' namespace and access only read-only access to pods and services.
Define the RBAC rules and create the necessary Role, RoleBinding, and ServiceAccount resources to achieve this access control policy.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Create ServiceAccounts for each Developer:
kubectl create serviceaccount dev-a -n frontend
kubectl create serviceaccount dev-b -n backend
kubectl create serviceaccount dev-c -n monitoring
2. Create Roles for each Developer:
For Developer A:

For Developer B:

For Developer C:

3. Create RoleBindings: For Developer A:

For Developer B:

For Developer C:


NEW QUESTION # 15
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 generic my-secret -o yaml
  • B. 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

Answer: B


NEW QUESTION # 16
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 # 17
Create a Kubernetes secret as follows:
* Name: super-secret
* password: bob
Create a pod named pod-secrets-via-file, using the redis Image, which mounts a secret named super-secret at
/secrets.
Create a second pod named pod-secrets-via-env, using the redis Image, which exports password as CONFIDENTIAL.

Answer:

Explanation:



NEW QUESTION # 18
Check the image version in pod without the describe command

Answer:

Explanation:
kubectl get po nginx -o
jsonpath='{.spec.containers[].image}{"n"}'


NEW QUESTION # 19
......

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