CKA Online Practice Questions and Answers

SIMULATION

List all persistent volumes sorted by capacity, saving the full kubectl output to /opt/KUCC00102/volume_list. Use kubectl 's own functionality for sorting the output, and do not manipulate it any further.

SIMULATION

Create a deployment as follows:

1.

Name: nginx-app

2.

Using container nginx with version 1.11.10-alpine

3.

The deployment should contain 3 replicas

Next, deploy the application with new version 1.11.13-alpine, by performing a rolling update. Finally, rollback that update to the previous version 1.11.10-alpine.

SIMULATION

Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.

Create a pod that echo "hello world" and then exists. Have the pod deleted automatically when it's completed

Get list of all the pods showing name and namespace with a jsonpath expression.

List the nginx pod with custom columns POD_NAME and POD_STATUS

Create an nginx pod and list the pod with different levels of verbosity

SIMULATION

Task Monitor the logs of pod bar and: Extract log lines corresponding to error file-not-found

Write them to /opt/KUTR00101/bar

SIMULATION

Context An existing Pod needs to be integrated into the Kubernetes built-in logging architecture (e.g.kubectl logs). Adding a streaming sidecar container is a good and common way to accomplish this requirement. Task

Add a sidecar container named sidecar, using the busybox Image, to the existing Pod big- corp-app. The new sidecar container has to run the following command:

SIMULATION List "nginx-dev" and "nginx-prod" pod and delete those pods