Linux Foundation Linux Foundation Certifications CKA Questions & Answers

• Question 51:

  SIMULATION

  Create a pod as follows: Name: non-persistent-redis container Image: redis Volume with name: cache-control Mount path: /data/redis The pod should launch in the staging namespace and the volume must not be persistent.

  Correct Answer: Check the answer in explanation.

  

  

  

• Question 52:

  SIMULATION

  Scale the deployment webserver to 6 pods.

  Correct Answer: Check the answer in explanation.

  Solution

  

• Question 53:

  SIMULATION

  Create a file:

  /opt/KUCC00302/kucc00302.txt that lists all pods that implement service baz in namespace development.

  The format of the file should be one pod name per line.

  Correct Answer: Check the answer in explanation.

  

  

  

• Question 54:

  SIMULATION Create a Kubernetes secret as follows: Name: super-secret

  password: bob

  Create a pod named pod-secrets-via-file, using the redis Image, which mounts a secret named super- secret at /secrets. Create a second pod named pod-secrets-via-env, using the redis Image, which exports password as CONFIDENTIAL

  Correct Answer: Check the answer in explanation.

  Solution

  

  

  

• Question 55:

  SIMULATION

  Create a pod as follows: Name: mongo Using Image: mongo In a new Kubernetes namespace named: my-website

  Correct Answer: Check the answer in explanation.

  Solution

  

• Question 56:

  SIMULATION

  Create a deployment spec file that will:

  Launch 7 replicas of the nginx Image with the label app_runtime_stage=dev

  deployment name: kual00201

  Save a copy of this spec file to /opt/KUAL00201/spec_deployment.yaml (or /opt/KUAL00201/spec_deployment.json).

  When you are done, clean up (delete) any new Kubernetes API object that you produced during this task.

  Correct Answer: Check the answer in explanation.

  

  

• Question 57:

  SIMULATION

  Create and configure the service front-end-service so it's accessible through NodePort and routes to the existing pod named front-end.

  Correct Answer: Check the answer in explanation.

  Solution

  

• Question 58:

  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.

  Correct Answer: Check the answer in explanation.

  Solution

  

  

  

• Question 59:

  SIMULATION

  Schedule a pod as follows:

  1.

  Name: nginx-kusc00101

  2.

  Image: nginx

  3.

  Node selector: disk=ssd

  Correct Answer: Check the answer in explanation.

  

  

  

• Question 60:

  SIMULATION

  Perform the following tasks: Add an init container to hungry-bear (which has been defined in spec file /opt/KUCC00108/pod- spec-KUCC00108.yaml) The init container should create an empty file named /workdir/calm.txt If /workdir/calm.txt is not detected, the pod should exit Once the spec file has been updated with the init container definition, the pod should be created

  Correct Answer: Check the answer in explanation.