CKAD Dump 3

Question 1

You want to run a one-time batch task that must complete successfully. Which Kubernetes resource is most appropriate?

Accepted Answer

Job

Answer

A Job runs pods to completion and tracks successful completions, making it ideal for batch tasks.

Question 2

Which command shows the rollout history of a Deployment named 'api'?

Accepted Answer

kubectl rollout history deployment api

Answer

kubectl rollout history deployment <name> lists previous revision records for the deployment.

Question 3

A container needs read-only access to a Secret. What is the recommended method?

Accepted Answer

Mount the Secret as a read-only volume

Answer

Mounting Secrets as read-only volumes (readOnly: true) limits exposure and prevents accidental writes.

Question 4

Which resource limits field prevents a container from using more than the specified CPU?

Accepted Answer

resources.limits.cpu

Answer

resources.limits.cpu is enforced by cgroups and throttles the container if it exceeds the specified value.

Question 5

How do you create a Service that exposes a Deployment externally on a static port across all cluster nodes?

Accepted Answer

type: NodePort

Answer

NodePort services open a port on every node and route external traffic to the backend pods.

CKAD - Certified Kubernetes Application Developer Practice Test