Free Access LinuxFoundation.CKA.v2022-02-28.q68 Practice Test (Page 4)

Question 11

Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.

Question 12

Remove taint added to node "worker-2"

Question 13

Create a deployment as follows:
* Name: nginx-app
* Using container nginx with version 1.11.10-alpine
* The deployment should contain 3 replicas
Next, deploy the application with new version 1.11.13-alpine, by performing a rolling update.
Finally, rollback that update to the previous version 1.11.10-alpine.

Question 14

Evict all existing pods from a node-1 and make the node unschedulable for new pods.

A.kubectl get nodes
kubectl drain node-1 #It will evict pods running on node-1 to
other nodes in the cluster
kubectl cordon node-1 # New pods cannot be scheduled to the
node
// Verify
kubectl get no
When you cordon a node, the status shows "SchedulingDisabled"

B.kubectl get nodes
kubectl drain node-1 #It will evict pods running on node-1 to
other nodes in the cluster
// Verify
kubectl get no
When you cordon a node, the status shows "SchedulingDisabled"

Question 15

Create a Pod nginx and specify both CPU, memory requests and limits together and verify.

A.kubectl run nginx-request --image=nginx --restart=Always --dryrun -o yaml > nginx-request.yml
// add the resources section and create
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginx
name: nginx
resources:
requests:
memory: "100Mi"
cpu: "0.4"
limits:
memory: "200Mi"
cpu: "7"
restartPolicy: Always
k kubectl apply -f nginx-request.yaml
// Verify
Kubectl top po

B.kubectl run nginx-request --image=nginx --restart=Always --dryrun -o yaml > nginx-request.yml
// add the resources section and create
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginx
name: nginx-request
spec:
containers:
- image: nginx
name: nginx
resources:
requests:
memory: "100Mi"
cpu: "0.5"
limits:
memory: "200Mi"
cpu: "1"
restartPolicy: Always
k kubectl apply -f nginx-request.yaml
// Verify
Kubectl top po

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