CKAD Certified CKAD 2

Question 1

A Pod is stuck in 'Pending' state. Which command helps identify why it cannot be scheduled?

Accepted Answer

kubectl describe pod <pod>

Answer

kubectl describe pod shows Events including scheduler messages about insufficient resources or taint/toleration mismatches.

Question 2

Which field in a Pod spec controls the restart policy when a container exits?

Accepted Answer

spec.restartPolicy

Answer

spec.restartPolicy accepts Always, OnFailure, or Never and applies to all containers in the Pod.

Question 3

You need a container to run only once after another container is ready. Which Pod feature should you use?

Accepted Answer

Init containers

Answer

Init containers run sequentially and must complete before app containers start, making them ideal for one-time setup tasks.

Question 4

Which kubectl command streams logs from all pods matching a label selector?

Accepted Answer

kubectl logs -l app=web

Answer

kubectl logs -l <selector> streams logs from all matching pods, with --follow for continuous streaming.

Question 5

A Deployment rollout is failing. Which command pauses the rollout so you can investigate?

Accepted Answer

kubectl rollout pause deployment/myapp

Answer

kubectl rollout pause halts an ongoing rollout, allowing you to inspect state before deciding to resume or undo.

CKAD - Certified Kubernetes Application Developer Practice Test