CKAD Pod Design and Deployments

Question 1

Which kubectl command updates the image of a container named 'web' in a deployment named 'myapp' to 'nginx:1.19'?

Accepted Answer

kubectl set image deployment/myapp web=nginx:1.19

Answer

kubectl update image deployment/myapp web=nginx:1.19

Answer

kubectl apply image deployment/myapp web=nginx:1.19

Answer

kubectl replace image deployment/myapp web=nginx:1.19

Question 2

What is the default update strategy for a Kubernetes Deployment?

Accepted Answer

RollingUpdate

Answer

Recreate

Answer

BlueGreen

Answer

Canary

Question 3

Which field in a Deployment spec limits the number of unavailable pods during a rolling update?

Accepted Answer

maxUnavailable

Answer

maxSurge

Answer

minReadySeconds

Answer

progressDeadlineSeconds

Question 4

How do you roll back a Deployment to the previous revision?

Accepted Answer

kubectl rollout undo deployment/myapp

Answer

kubectl rollback deployment/myapp

Answer

kubectl undo deployment/myapp

Answer

kubectl revert deployment/myapp

Question 5

Which label selector syntax matches pods with label 'env=prod' OR 'env=staging' using set-based requirements?

Accepted Answer

env in (prod, staging)

Answer

env == prod || env == staging

Answer

env: [prod, staging]

Answer

env matches prod|staging

Question 6

What does 'kubectl rollout status deployment/myapp' display?

Accepted Answer

The progress and completion status of the rollout

Answer

The current replica count

Answer

The pod logs during rollout

Answer

The YAML manifest of the deployment