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NEW QUESTION 1
Create a Kubernetes secret asfollows:
CKA dumps exhibit Name: super-secret
CKA dumps exhibit password: bob
Create a pod namedpod-secrets-via-file, using theredisImage, which mounts a secret namedsuper-secretat
/secrets.
Create a second pod namedpod-secrets-via-env, using theredisImage, which exportspasswordas
CONFIDENTIAL

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\12 B.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\12 C.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\12 D.JPG
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NEW QUESTION 2
Create a persistent volume with nameapp-data, of capacity2Giandaccess modeReadWriteMany. Thetype of volume ishostPathand itslocation is/srv/app-data.

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
Persistent Volume
A persistent volume is a piece of storage in aKubernetes cluster. PersistentVolumes are a cluster-level resource like nodes, which don??t belong to any namespace. It is provisioned by the administrator and has a particular file size. This way, a developer deploying their app on Kubernetes need not knowthe underlying infrastructure. When the developer needs a certain amount of persistent storage for their application, the system administrator configures the cluster so that they consume the PersistentVolume provisioned in an easy way.
Creating PersistentVolume
kind: PersistentVolumeapiVersion: v1metadata:name:app-dataspec:capacity: # defines the capacity of PV we are creatingstorage:2Gi#the amount of storage we are tying to claimaccessModes: # defines the rights of the volumewe are creating-ReadWriteManyhostPath:path: "/srv/app-data" # path to which we are creating the volume
Challenge
CKA dumps exhibit Create a Persistent Volume namedapp-data, with access modeReadWriteMany, storage classname
shared,2Giof storage capacity and the host path/srv/app-data.
CKA dumps exhibit
* 2. Save the file and create the persistent volume. Image for post
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* 3. View the persistent volume.
CKA dumps exhibit
CKA dumps exhibit Our persistent volume status is available meaning it is available and it has not been mounted yet. This status willchange when we mount the persistentVolume to a persistentVolumeClaim.
PersistentVolumeClaim
In a real ecosystem, a system admin will create the PersistentVolume then a developer will create a PersistentVolumeClaim which will be referenced in a pod. A PersistentVolumeClaim is created by specifying the minimum size and the access mode they require from the persistentVolume.
Challenge
CKA dumps exhibit Create a Persistent Volume Claim that requests the Persistent Volume we had created above. The claim should request 2Gi. Ensurethat the Persistent Volume Claim has the same storageClassName as the persistentVolume you had previously created.
kind: PersistentVolumeapiVersion: v1metadata:name:app-data spec:
accessModes:-ReadWriteManyresources:
requests:storage:2Gi storageClassName:shared
* 2. Save and create the pvc
njerry191@cloudshell:~(extreme-clone-2654111)$ kubect1 create -f app-data.yaml persistentvolumeclaim/app-data created
* 3. View the pvc Image for post
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* 4. Let??s see what has changed in the pv we had initially created.
Image for post
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Our status has now changed fromavailabletobound.
* 5. Create a new pod named myapp with image nginx that will be used to Mount the Persistent Volume Claim with the path /var/app/config.
Mounting a Claim
apiVersion: v1kind: Podmetadata:creationTimestamp: nullname: app-dataspec:volumes:- name:congigpvcpersistenVolumeClaim:claimName: app-datacontainers:- image: nginxname: appvolumeMounts:- mountPath: "/srv/app-data"name: configpvc

NEW QUESTION 3
Create a deployment spec file thatwill:
CKA dumps exhibit Launch 7 replicas of thenginxImage with the labelapp_runtime_stage=dev
CKA dumps exhibit 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.

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\10 B.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\10 C.JPG
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NEW QUESTION 4
Create a pod as follows:
CKA dumps exhibit Name:mongo
CKA dumps exhibit Using Image:mongo
CKA dumps exhibit In anew Kubernetes namespacenamed:my-website

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\9 B.JPG
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NEW QUESTION 5
A Kubernetes worker node, namedwk8s-node-0is in stateNotReady.Investigate why this is the case, andperform any appropriate steps tobring the node to aReadystate,ensuring that any changes are madepermanent.
You cansshto the failednode using:
[student@node-1] $ | sshWk8s-node-0
You can assume elevatedprivileges on the node with thefollowing command:
[student@w8ks-node-0] $ |sudo ?Ci

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\20 C.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\20 D.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\20 E.JPG
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NEW QUESTION 6
Get list of all pods in all namespaces and write it to file ??/opt/pods-list.yaml??

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
kubectl get po ?Call-namespaces > /opt/pods-list.yaml

NEW QUESTION 7
List ??nginx-dev?? and ??nginx-prod?? pod and delete those pods

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
kubect1 get pods -o wide
kubectl delete po ??nginx-dev??kubectl delete po ??nginx-prod??

NEW QUESTION 8
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<nodename>
You can assume elevatedprivileges on any node in thecluster with the followingcommand:
[student@nodename] $ | sudo ?Ci

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:

solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 C.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 D.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 E.JPG
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NEW QUESTION 9
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.

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\5 B.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\5 C.JPG
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F:\Work\Data Entry Work\Data Entry\20200827\CKA\5 D.JPG
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NEW QUESTION 10
Create a pod with image nginx called nginx and allow traffic on port 80

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
kubectlrun nginx --image=nginx --restart=Never --port=80

NEW QUESTION 11
......

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