Linux-Foundation CKAD Practice Exam Questions

Linux-Foundation CKAD Sample Question Answers

Question # 1

Context You are asked to deploy an application developed for an older version of Kubernetes on a cluster running a recent version of Kubernetes . You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00026 Task Fix any API -deprecation issues in the manitest file /home/candidate/credible-mite/web.yaml so that the application can be deployed on cluster ckad00026. The application was developed for Kubernetes v1.15. The cluster ckad00026 runs Kubernetes 1.29+. Deploy the application specified in the updated manifest file /home/candidate/credible-mite/web.yaml in namespace garfish .

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Question # 2

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00029 Task Modify the existing Deployment named store-deployment, running in namespace grubworm, so that its containers run with user ID 10000 and have the NET_BIND_SERVICE capability added The store-deployment 's manifest file Click to copy /home/candidate/daring-moccasin/store-deplovment.vaml 

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Question # 3

Context An existing web application must be exposed externally. You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00025 An application externally using the URL external.sterling-bengal.local . Any requests starting with / must be routed to the application web-app. To test the web application's external reachability, run [candidate@ckad00025] $ curl http://external.sterling-bengal.local/ or open this URL in the remote desktop's browser.

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Question # 4

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00044 Task: Update the existing Deployment busybox running in the namespace rapid-goat . First, change the container name to musl. Next, change the container image to busybox:musl . Finally, ensure that the changes to the busybox Deployment, running in the namespace rapid-goat, are rolled out.

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Question # 5

Context You are asked to allow a Pod to communicate with two other Pods but nothing else. You must connect to the correct host . Failure to do so may result in a zero score. ! [candidate@base] $ ssh ckad000 18 charming-macaw namespace to use a NetworkPolicy allowing the Pod to send and receive traffic only to and from the Pods front and db. All required NetworkPolicies have already been created. You must not create, modify or delete any NetworkPolicy while working on this task. You may only use existing NetworkPolicies .

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Question # 6

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00021 Task Create a Cronjob named grep that executes a Pod running the following single container: name: busybox image: busybox:stable command: ["grep", "-i", "nameserv er", "/etc/resolv.conf"] Configure the CronJob to: execute Once every 30 minutes keep 96 completed Job keep 192 failed Job never restart podsterminate pods after 8 seconds Manually create and execute once job named grep-test from the grep Cronjob

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Question # 7

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00033 Task A Dockerfile has been prepared at /home/candidate/build/Dockerfile. Using the prepared Dockerfile, build a container image with the name macaque and tag 1.2. You may install and use the tool of your choice. Multiple image builders and tools have been pre-installed in the base system, including: docker, skopeo, buildah, img , and podman. Please do not push the built image to a registry, run a container, or otherwise consume it. Using the tool of your choice, export the built container image in OCI or Docker image format and store it at /home/candidate/macaque-1.2.tar.

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Question # 8

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00027 Task A Deployment named app-deployment in namespace prod runs a web application port 0001 A Deployment named app-deployment in namespace prod runs a web application on port 8081. The Deployment 's manifest files can be found at /home/candidate/spicy-pikachu/app-deployment.yaml Modify the Deployment specifying a readiness probe using path /healthz . Set initialDelaySeconds to 6 and periodSeconds to 3.

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Question # 9

You must connect to the correct host . Failure to do so may result in a zero score. [candidate@base] $ ssh ckad00032 The Pod for the Deployment named nosql in the haddock namespace fails to start because its Container runs out of resources. Update the nosql Deployment so that the Container : requests 128Mi of memory limits the memory to half the maximum memory constraint set for the haddock namespace

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Question # 10

Context You are asked to set resource requests and limits for a running workload to ensure fair resource management. “Do not delete the existing Deployment . Failure to do so will result in a reduced score.” Next, ensure that the total amount of resources in the namespace matches the maximum resources the Pods from the nginx-resources Deployment can request. Failure to do so will result in the updated Deployment failing to roll out successfully.

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