Linux Foundation CKA Quiz:20 Topic:6 Questions:96-100

Free Practice Mock Questions Set 96-100 (Quiz # 20) for Linux Foundation CKA Exam, according to official Linux Foundation Certified Kubernetes Administrator exam syllabus topic # 6

Question: 1

Score:7%

q1_CKA

Task

Create a new PersistentVolumeClaim

* Name: pv-volume

* Class: csi-hostpath-sc

* Capacity: 10Mi

Create a new Pod which mounts the PersistentVolumeClaim as a volume:

* Name: web-server

* Image: nginx

* Mount path: /usr/share/nginx/html

Configure the new Pod to have ReadWriteOnce access on the volume.

Finally, using kubectl edit or kubectl patch expand the PersistentVolumeClaim to a capacity of 70Mi and record that change.

AExplanation:
Solution:
vi pvc.yaml
storageclass pvc
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: pv-volume
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 10Mi
storageClassName: csi-hostpath-sc
# vi pod-pvc.yaml
apiVersion: v1
kind: Pod
metadata:
name: web-server
spec:
containers:
- name: web-server
image: nginx
volumeMounts:
- mountPath: '/usr/share/nginx/html'
name: my-volume
volumes:
- name: my-volume
persistentVolumeClaim:
claimName: pv-volume
# craete
kubectl create -f pod-pvc.yaml
#edit
kubectl edit pvc pv-volume --record

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Question: 2

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.

AExplanation:
solution

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Question: 3

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

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

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Question: 4

Check to see how many worker nodes are ready (not including nodes tainted NoSchedule) and write the number to /opt/KUCC00104/kucc00104.txt.

AExplanation:
solution

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Question: 5

SIMULATION

Create a snapshot of the etcd instance running at https://127.0.0.1:2379, saving the snapshot to the file path /srv/data/etcd-snapshot.db.

The following TLS certificates/key are supplied for connecting to the server with etcdctl:

* CA certificate: /opt/KUCM00302/ca.crt

* Client certificate: /opt/KUCM00302/etcd-client.crt

* Client key: Topt/KUCM00302/etcd-client.key

Asolution

Bsolution

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Quiz 16

Quiz 17

Quiz 18

Quiz 19

Quiz 20

Quiz 21