Linux Foundation CKA Quiz:21 Topic:11 Questions:101-105

Free Practice Mock Questions Set 101-105 (Quiz # 21) for Linux Foundation CKA Exam, according to official Linux Foundation Certified Kubernetes Administrator exam syllabus topic # 11

Question: 1

Ensure a single instance of pod nginx is running on each node of the Kubernetes cluster where nginx also represents the Image name which has to be used. Do not override any taints currently in place.

Use DaemonSet to complete this task and use ds-kusc00201 as DaemonSet name.

AExplanation:
solution

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Question: 2

Undo/Rollback deployment to specific revision ''1''

A// Check Deployment History
kubectl rollout history deployment webapp
//Rollback to particular revision
kubectl rollout undo deploymet webapp --to-revision=1

B// Check Deployment History
kubectl rollout history deployment webapp
kubectl rollout undo deploymet webapp --to-revision=1

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Question: 3

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

Akubect1 get pods -o wide
kubectl delete po ''nginx-dev''
kubectl delete po ''nginx-prod''

Bkubect1 get pods -o wide
kubectl delete po ''nginx- prod''
kubectl delete po ''nginx-prod''

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Question: 4

Allow traffic from all the pods in "web" namespace and from pods

with label "type=monitoring" to the pods matching label "app: db"

Akubectl create namespace web
kubectl label namespace/web app=web
vim web-allow-all-ns-monitoring.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: web-allow-all-ns-monitoring
namespace: default
spec:
podSelector:
matchLabels:
app: db
ingress:
- from:
- namespaceSelector:
matchLabels:
app: web
podSelector:
matchLabels:
type: monitoring
k kubectl apply -f web-allow-all-ns-monitoring.yaml

Bkubectl create namespace web
kubectl label namespace/web app=web
vim web-allow-all-ns-monitoring.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: web-allow-all-ns-monitoring
namespace: default
spec:
podSelector:
podSelector:
matchLabels:
type: monitoring
k kubectl apply -f web-allow-all-ns-monitoring.yaml

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Question: 5

SIMULATION

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

solution

q5_CKA

Bsolution

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Quiz 17

Quiz 18

Quiz 19

Quiz 20

Quiz 21