09 June, 2023
The Regenerate Guide To CKA Exam
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Free demo questions for Linux-Foundation CKA Exam Dumps Below:
Question 1
List the nginx pod with custom columns POD_NAME and POD_STATUS
Solution:
kubectl get po -o=custom-columns="POD_NAME:.metadata.name, POD_STATUS:.status.containerStatuses[].state"
Does this meet the goal?
Solution:
kubectl get po -o=custom-columns="POD_NAME:.metadata.name, POD_STATUS:.status.containerStatuses[].state"
Does this meet the goal?
Question 2
Given a partially-functioningKubernetes cluster, identifysymptoms of failure on the cluster.
Determine the node, the failingservice, and take actions to bring upthe failed service and restore thehealth of the cluster. Ensure that anychanges are made permanently.
You cansshto the relevant Inodes (bk8s-master-0orbk8s-node-0) using:
[student@node-1] $ ssh
You can assume elevatedprivileges on any node in thecluster with the followingcommand:
[student@nodename] $ | sudo ?Ci
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA23 C.JPG
F:WorkData Entry WorkData Entry20200827CKA23 D.JPG
F:WorkData Entry WorkData Entry20200827CKA23 E.JPG
Does this meet the goal?
Determine the node, the failingservice, and take actions to bring upthe failed service and restore thehealth of the cluster. Ensure that anychanges are made permanently.
You cansshto the relevant Inodes (bk8s-master-0orbk8s-node-0) using:
[student@node-1] $ ssh
You can assume elevatedprivileges on any node in thecluster with the followingcommand:
[student@nodename] $ | sudo ?Ci
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA23 C.JPG
F:WorkData Entry WorkData Entry20200827CKA23 D.JPG
F:WorkData Entry WorkData Entry20200827CKA23 E.JPG
Does this meet the goal?
Question 3
Create an nginx pod and list the pod with different levels of verbosity
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
Does this meet the goal?
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
Does this meet the goal?
Question 4
Create a busybox pod and add ??sleep 3600?? command
Solution:
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600"
Does this meet the goal?
Solution:
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600"
Does this meet the goal?
Question 5
Create a pod namedkucc8with asingle app container for each of the
following images running inside(there may be between 1 and 4images specified): nginx + redis + memcached.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA5 B.JPG
F:WorkData Entry WorkData Entry20200827CKA5 C.JPG
F:WorkData Entry WorkData Entry20200827CKA5 D.JPG
Does this meet the goal?
following images running inside(there may be between 1 and 4images specified): nginx + redis + memcached.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA5 B.JPG
F:WorkData Entry WorkData Entry20200827CKA5 C.JPG
F:WorkData Entry WorkData Entry20200827CKA5 D.JPG
Does this meet the goal?
Question 6
Create a busybox pod that runs the command ??env?? and save the output to ??envpod?? file
Solution:
kubectl run busybox --image=busybox --restart=Never ?C-rm -it -- env > envpod.yaml
Does this meet the goal?
Solution:
kubectl run busybox --image=busybox --restart=Never ?C-rm -it -- env > envpod.yaml
Does this meet the goal?
Question 7
Create a pod as follows:
Name:mongo
Using Image:mongo
In anew Kubernetes namespacenamed:my-website
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA9 B.JPG
Does this meet the goal?
Name:mongo Using Image:mongo In anew Kubernetes namespacenamed:my-website Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA9 B.JPG
Does this meet the goal?
Question 8
Create a pod that echo ??hello world?? and then exists. Have the pod deleted automatically when it??s completed
Solution:
kubectl run busybox --image=busybox -it --rm --restart=Never -
/bin/sh -c 'echo hello world'
kubectl get po # You shouldn't see pod with the name "busybox"
Does this meet the goal?
Solution:
kubectl run busybox --image=busybox -it --rm --restart=Never -
/bin/sh -c 'echo hello world'
kubectl get po # You shouldn't see pod with the name "busybox"
Does this meet the goal?
Question 9
Get IP address of the pod ?C ??nginx-dev??
Solution:
Kubect1 get po -o wide Using JsonPath
kubect1 get pods -o=jsonpath='{range items[*]}{.metadata.name}{"t"}{.status.podIP}{"n"}{end}'
Does this meet the goal?
Solution:
Kubect1 get po -o wide Using JsonPath
kubect1 get pods -o=jsonpath='{range items[*]}{.metadata.name}{"t"}{.status.podIP}{"n"}{end}'
Does this meet the goal?
Question 10
Create a deployment spec file thatwill:
Launch 7 replicas of thenginxImage with the labelapp_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 thatyou produced during this task.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA10 B.JPG
F:WorkData Entry WorkData Entry20200827CKA10 C.JPG
Does this meet the goal?
Launch 7 replicas of thenginxImage with the labelapp_runtime_stage=dev deployment name:kual00201Save 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 thatyou produced during this task.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA10 B.JPG
F:WorkData Entry WorkData Entry20200827CKA10 C.JPG
Does this meet the goal?
Question 11
Check the image version in pod without the describe command
Solution:
kubectl get po nginx -o jsonpath='{.spec.containers[].image}{"n"}'
Does this meet the goal?
Solution:
kubectl get po nginx -o jsonpath='{.spec.containers[].image}{"n"}'
Does this meet the goal?
Question 12
List ??nginx-dev?? and ??nginx-prod?? pod and delete those pods
Solution:
kubect1 get pods -o wide
kubectl delete po ??nginx-dev??kubectl delete po ??nginx-prod??
Does this meet the goal?
Solution:
kubect1 get pods -o wide
kubectl delete po ??nginx-dev??kubectl delete po ??nginx-prod??
Does this meet the goal?
Question 13
Create a nginx pod with label env=test in engineering namespace
Solution:
kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml > nginx-pod.yaml
kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml | kubectl create -nengineering-f ?C
YAML File: apiVersion: v1 kind: Pod metadata: name: nginx
namespace: engineering labels:
env: test spec: containers:
- name: nginx image: nginx
imagePullPolicy: IfNotPresent restartPolicy: Never
kubectl create -f nginx-pod.yaml
Does this meet the goal?
Solution:
kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml > nginx-pod.yaml
kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml | kubectl create -nengineering-f ?C
YAML File: apiVersion: v1 kind: Pod metadata: name: nginx
namespace: engineering labels:
env: test spec: containers:
- name: nginx image: nginx
imagePullPolicy: IfNotPresent restartPolicy: Never
kubectl create -f nginx-pod.yaml
Does this meet the goal?
Question 14
Ensure a single instance of podnginxis running on each node of theKubernetes cluster wherenginxalso represents the Image name whichhas to be used. Do not override anytaints currently in place.
UseDaemonSetto complete thistask and useds-kusc00201asDaemonSet name.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA3 B.JPG
F:WorkData Entry WorkData Entry20200827CKA3 C.JPG
F:WorkData Entry WorkData Entry20200827CKA3 D.JPG
F:WorkData Entry WorkData Entry20200827CKA3 E.JPG
Does this meet the goal?
UseDaemonSetto complete thistask and useds-kusc00201asDaemonSet name.
Solution:
solution
F:WorkData Entry WorkData Entry20200827CKA3 B.JPG
F:WorkData Entry WorkData Entry20200827CKA3 C.JPG
F:WorkData Entry WorkData Entry20200827CKA3 D.JPG
F:WorkData Entry WorkData Entry20200827CKA3 E.JPG
Does this meet the goal?
Question 15
List all the pods sorted by created timestamp
Solution:
kubect1 get pods--sort-by=.metadata.creationTimestamp
Does this meet the goal?
Solution:
kubect1 get pods--sort-by=.metadata.creationTimestamp
Does this meet the goal?
Question 16
For this item, you will havetosshto the nodesik8s-master-0andik8s-node-0and complete all tasks on thesenodes. Ensure that you return tothe base node (hostname:node-1) when you havecompleted this item.
Context
As an administrator of a smalldevelopment team, you have beenasked to set up a Kubernetes clusterto test the viability of a newapplication.
Task
You must usekubeadmto performthis task. Anykubeadminvocationswill require the use of the
--ignore-preflight-errors=alloption.
Configure thenodeik8s-master-Oas a masternode. .
Join the nodeik8s-node-otothe cluster.
Solution:
solution
You must use thekubeadmconfiguration file located at/etc/kubeadm.confwhen initializingyour cluster.
You may use any CNI pluginto complete this task, but ifyou don't have your favouriteCNI plugin's manifest URL athand, Calico is one popularoption:https://docs.projectcalico.org/v3.14/manifests/calico.yaml
Docker is already installedon both nodes andapthasbeen configured so that you caninstall the required tools.
Does this meet the goal?
Context
As an administrator of a smalldevelopment team, you have beenasked to set up a Kubernetes clusterto test the viability of a newapplication.
Task
You must usekubeadmto performthis task. Anykubeadminvocationswill require the use of the
--ignore-preflight-errors=alloption.
Configure thenodeik8s-master-Oas a masternode. . Join the nodeik8s-node-otothe cluster.Solution:
solution
You must use thekubeadmconfiguration file located at/etc/kubeadm.confwhen initializingyour cluster.
You may use any CNI pluginto complete this task, but ifyou don't have your favouriteCNI plugin's manifest URL athand, Calico is one popularoption:https://docs.projectcalico.org/v3.14/manifests/calico.yaml
Docker is already installedon both nodes andapthasbeen configured so that you caninstall the required tools.
Does this meet the goal?