CKA Exam Dumps | Score: 7% (Exhibit) Task Create a new NetworkPolicy named allow-port-from-namespace in the existing namespace

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LinuxFoundation.CKA.v2023-03-27.q73
Question 14

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Question 14/73

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

Correct Answer:

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

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