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The Certified Kubernetes Administrator (CKA) Program Exam is a certification exam offered by the Linux Foundation. CKA exam is designed to test an individual's knowledge and skills related to Kubernetes administration, as well as their ability to work with various Kubernetes tools and resources. The CKA exam is a popular certification among IT professionals who are interested in building their knowledge of container orchestration and management.

The CKA certification exam consists of a performance-based test that requires candidates to demonstrate their ability to perform Kubernetes administrative tasks in a real-world environment. CKA exam is conducted online and features a set of challenging scenarios that simulate common Kubernetes administration challenges. Candidates have two hours to complete the exam and must score at least 74% to pass. CKA exam is designed to test the candidate's knowledge of Kubernetes concepts and best practices, as well as their ability to troubleshoot issues and perform complex tasks.

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q25-Q30):

NEW QUESTION # 25
Score: 7%

Task
Create a new NetworkPolicy named allow-port-from-namespace in the existing namespace echo. Ensure that the new NetworkPolicy allows Pods in namespace my-app to connect to port 9000 of Pods in namespace echo.
Further ensure that the new NetworkPolicy:
* does not allow access to Pods, which don't listen on port 9000
* does not allow access from Pods, which are not in namespace my-app

Answer:

Explanation:
Solution:
#network.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-port-from-namespace
namespace: internal
spec:
podSelector:
matchLabels: {
}
policyTypes:
- Ingress
ingress:
- from:
- podSelector: {
}
ports:
- protocol: TCP
port: 8080
#spec.podSelector namespace pod
kubectl create -f network.yaml

NEW QUESTION # 26
Create and configure the service front-end-service so it's accessible through NodePort and routes to the existing pod named front-end.

Answer:

Explanation:
solution

NEW QUESTION # 27
Create a busybox pod and add "sleep 3600" command

Answer:

Explanation:
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600"

NEW QUESTION # 28
Score: 7%

Task
Create a new nginx Ingress resource as follows:
* Name: ping
* Namespace: ing-internal
* Exposing service hi on path /hi using service port 5678

Answer:

Explanation:
See the solution below.
Explanation
Solution:
vi ingress.yaml
#
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: ping
namespace: ing-internal
spec:
rules:
- http:
paths:
- path: /hi
pathType: Prefix
backend:
service:
name: hi
port:
number: 5678
#
kubectl create -f ingress.yaml

NEW QUESTION # 29
Check to see how many worker nodes are ready (not including nodes tainted NoSchedule) and write the number to /opt/KUCC00104/kucc00104.txt.

Answer:

Explanation:
solution

NEW QUESTION # 30
......

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