CKA Online Practice Questions and Answers

Correct Answer: Check the answer in explanation.

Solution

You must use the kubeadm configuration file located at /etc/kubeadm.conf when initializing your cluster.

You may use any CNI plugin to complete this task, but if you don't have your favourite CNI plugin's manifest URL at hand, Calico is one popular option:

https://docs.projectcalico.org/v3.14/manifests/calico.yaml Docker is already installed on both nodes and apt has been configured so that you can install the required tools.

Correct Answer: Check the answer in explanation.

kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry- run -o yaml > nginx-pod.yaml kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry- run -o yaml | kubectl create -n engineering -f YAML File:

apiVersion: v1 kind: Pod metadata: name: nginx namespace: engineering labels: env: test spec: containers:

-name: nginx image: nginx imagePullPolicy: IfNotPresent restartPolicy: Never

kubectl create -f nginx-pod.yaml

Correct Answer: Check the answer in explanation.

Solution

kubectl get po -o=custom-columns="POD_NAME:.metadata.name, POD_STATUS:.status.containerStatuses[].state"

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kubect1 get po nginx-dev -o jsonpath='{.spec.containers[].image}{"\n"}'

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Solution

kubectl get po -o=custom-columns="POD_NAME:.metadata.name, POD_STATUS:.status.containerStatuses[].state"

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kubect1 get pods--sort-by=.metadata.creationTimestamp

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Solution

kubectl get pods -o=jsonpath="{.items[*]['metadata.name', 'metadata.namespace']}"

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Correct Answer: Check the answer in explanation.

Correct Answer: Check the answer in explanation.