Linux Foundation Kubernetes Administrator CKA Questions & Answers

• Question 41:

  Check the Image version of nginx-dev pod using jsonpath

  Correct Answer: Check the answer in explanation.

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

• Question 42:

  Create a busybox pod and add "sleep 3600" command

  Correct Answer: Check the answer in explanation.

  Solution

  kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600"

• Question 43:

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

  Correct Answer: Check the answer in explanation.

  Solution

  // create a pod kubectl run nginx --image=nginx --restart=Never --port=80 // List the pod with different verbosity kubectl get po nginx --v=7 kubectl get po nginx --v=8 kubectl get po nginx --v=9

• Question 44:

  List the nginx pod with custom columns POD_NAME and POD_STATUS

  Correct Answer: Check the answer in explanation.

  Solution

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

• Question 45:

  List all the pods sorted by name

  Correct Answer: Check the answer in explanation.

  Solution

  kubectl get pods --sort-by=.metadata.name

• Question 46:

  List all the pods sorted by created timestamp

  Correct Answer: Check the answer in explanation.

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

• Question 47:

  List all the pods showing name and namespace with a json path expression

  Correct Answer: Check the answer in explanation.

  Solution

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

• Question 48:

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

  Correct Answer: Check the answer in explanation.

  Solution

  kubect1 get pods -o wide kubectl delete po "nginx-dev" kubectl delete po "nginx-prod"

• Question 49:

  CORRECT TEXT

  

  Task

  Schedule a pod as follows:

  1.

  Name: nginx-kusc00401

  2.

  Image: nginx

  3.

  Node selector: disk=ssd

  Correct Answer: Check the answer in explanation.

  Solution:

  #yaml apiVersion: v1 kind: Pod metadata: name: nginx-kusc00401 spec: containers:

  -name: nginx image: nginx imagePullPolicy: IfNotPresent nodeSelector: disk: spinning # kubectl create -f node-select.yaml

• Question 50:

  CORRECT TEXT

  

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

  Write them to /opt/KUTR00101/bar

  Correct Answer: Check the answer in explanation.

  kubectl logs bar | grep 'unable-to-access-website' > /opt/KUTR00101/bar cat /opt/KUTR00101/bar