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Certified Kubernetes Administrator Questions 46–50 (page: 11)

Updated On: 10-Feb-2026

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QUESTION: 46

Create a deployment called webapp with image nginx having 5 replicas in it, put the file in /tmp directory with named webapp.yaml

Solution:

//Create a file using dry run command
kubectl create deploy --image=nginx --dry-run -o yaml > /tmp/webapp.yaml
// Now, edit file webapp.yaml and update replicas=5
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: webapp
name: webapp
spec:
replicas: 5
selector:
matchLabels:
app: webapp
template:
metadata:
labels:
app: webapp
spec:
containers:
- image: nginx
name: nginx
Note: Search "deployment" in kubernetes.io site , you will get the page
https://kubernetes.io/docs/concepts/workloads/controllers/deplo

yment/
// Verify the Deployment
kubectl get deploy webapp --show-labels
// Output the YAML file of the deployment webapp
kubectl get deploy webapp -o yaml

Answer(s): A

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QUESTION: 47

Get the list of pods of webapp deployment

Solution:

// Get the label of the deployment
kubectl get deploy --show-labels
// Get the pods with that label
kubectl get pods -l app=webapp

Answer(s): A

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QUESTION: 48

Scale the deployment from 5 replicas to 20 replicas and verify

Solution:

kubectl scale deploy webapp --replicas=20
kubectl get deploy webapp
kubectl get po -l app=webapp

Answer(s): A

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QUESTION: 49

Get the deployment rollout status

Solution:

kubectl rollout status deploy webapp

Answer(s): A

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QUESTION: 50

Deployment

Create a deployment of webapp with image nginx:1.17.1 with container port 80 and verify the image version

Solution:
// Create initial YAML file with dry-run option
kubectl create deploy webapp --image=nginx:1.17.1 --dryrun=client -o yaml > webapp.yaml vim webapp.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: webapp
name: webapp
spec:
replicas: 1
selector:
matchLabels:
app: webapp
template:
metadata:
labels:
app: webapp
spec:
containers:
- image: nginx:1.17.1
name: nginx
kubectl create -f webapp.yaml record=true
//Verify Image Version
kubectl describe deploy webapp | grep -i "Image"
Using JsonPath
kubectl get deploy -o=jsonpath='{range.items [*]}{.[*]} {.metadata.name}{"\t"}{.spec.template.spec.containers[*].i mage}{"\n"}'

Answer(s): A

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