Linux Foundation Kubernetes Application Developer CKAD Questions & Answers

• Question 1:

  CORRECT TEXT

  

  Task:

  Modify the existing Deployment named broker-deployment running in namespace quetzal so that its containers.

  The broker-deployment is manifest file can be found at:

  

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 2:

  CORRECT TEXT

  

  Task

  You are required to create a pod that requests a certain amount of CPU and memory, so it gets scheduled to-a node that has those resources available.

  1.

  Create a pod named nginx-resources in the pod-resources namespace that requests a minimum of 200m CPU and 1Gi memory for its container

  2.

  The pod should use the nginx image

  3.

  The pod-resources namespace has already been created

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

  

  

• Question 3:

  CORRECT TEXT

  

  Context

  Your application's namespace requires a specific service account to be used.

  Task

  Update the app-a deployment in the production namespace to run as the restrictedservice service account.

  The service account has already been created.

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 4:

  CORRECT TEXT

  

  Context

  A web application requires a specific version of redis to be used as a cache.

  Task

  Create a pod with the following characteristics, and leave it running when complete:

  1.

  The pod must run in the web namespace.

  2.

  The namespace has already been created

  3.

  The name of the pod should be cache

  4.

  Use the Ifccncf/redis image with the 3.2 tag

  5.

  Expose port 6379

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 5:

  CORRECT TEXT

  

  Task:

  Key3: value1

  Add an environment variable named BEST_VARIABLE consuming the value of the secret key3.

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 6:

  CORRECT TEXT

  

  Task

  A Deployment named backend-deployment in namespace staging runs a web application on port 8081.

  

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

  

• Question 7:

  CORRECT TEXT

  

  Task:

  A pod within the Deployment named buffalo-deployment and in namespace gorilla is logging errors.

  Look at the logs identify errors messages.

  Find errors, including User "system:serviceaccount:gorilla:default" cannot list resource "deployment" [...] in the namespace "gorilla"

  The buffalo-deployment `S manifest can be found at -/prompt/escargot/buffalo- deployment.yaml

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 8:

  CORRECT TEXT

  

  Context

  Developers occasionally need to submit pods that run periodically.

  Task

  Follow the steps below to create a pod that will start at a predetermined time and]which runs to completion only once each time it is started:

  Create a YAML formatted Kubernetes manifest /opt/KDPD00301/periodic.yaml that runs the following shell command: date in a single busybox container.

  The command should run every minute and must complete within 22 seconds or be terminated oy Kubernetes. The Cronjob name and container name should both be hello

  Create the resource in the above manifest and verify that the job executes successfully at least once

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

• Question 9:

  CORRECT TEXT

  

  Given a container that writes a log file in format A and a container that converts log files from format A to format B, create a deployment that runs both containers such that the log files from the first container are converted by the second container, emitting logs in format

  Task:

  1.

  Create a deployment named deployment-xyz in the default namespace, that:

  2.

  Includes a primary

  3.

  lfccncf/busybox:1 container, named logger-dev

  4.

  Includes a sidecar Ifccncf/fluentd:v0.12 container, named adapter-zen Mounts a shared volume /tmp/log on both containers, which does not persist when the pod is deleted

  5.

  Instructs the logger-dev

  container to run the command

  

  which should output logs to /tmp/log/input.log in plain text format, with example values:

  

  The adapter-zen sidecar container should read /tmp/log/input.log and output the data to /tmp/log/output.* in Fluentd JSON format. Note that no knowledge of Fluentd is required to complete this task: all you will need to achieve this is to create the ConfigMap from the spec file provided at /opt/KDMC00102/fluentd-configmap.yaml , and mount that ConfigMap to /fluentd/etc in the adapter-zen sidecar container

  A. Please check explanations

  B. Place Holder

  Correct Answer: A

  

  

  

• Question 10:

  CORRECT TEXT

  

  Context

  It is always useful to look at the resources your applications are consuming in a cluster.

  Task

  From the pods running in namespace cpu-stress, write the name only of the pod that is consuming the most CPU to file /opt/KDOBG030l/pod.txt, which has already been created.

  A. Please check explanations

  B. Place Holder

  Correct Answer: A