1500 Questions | CKAD: Kubernetes Developer 2026

Service and Application Development (18%): Mastering various Deployment Strategies, StatefulSets, DaemonSets, and storage orchestration.

Kubernetes Architecture (17%): Understanding Control plane and Node components, the etcd cluster, and core Networking/learn network security foundations securing data and devices.

Security (17%): Implementing Authorization, sophisticated Network Policies, Secrets, ConfigMaps, and Pod Security Standards.

Troubleshooting (15%): Expert-level Logging, Monitoring, analyzing error messages, and debugging Pods or Node-level resource issues.

B. NetworkPolicy

C. LimitRange

D. ServiceAccount

E. ClusterRoleBinding

F. HorizontalPodAutoscaler

Correct Answer: B

Explanation:

A (Incorrect): ResourceQuotas limit the total resource consumption (CPU/Memory) in a namespace, not network traffic.

C (Incorrect): LimitRanges define min/max resource constraints for individual containers.

D (Incorrect): ServiceAccounts provide an identity for processes running in a Pod but do not restrict network flow.

E (Incorrect): This is used for RBAC permissions within the cluster, not network isolation.

F (Incorrect): This scales the number of Pods based on metrics, it has no security function.

Question 2: You are tasked with deploying a background process on every single node in the cluster to collect logs. Which workload type is most appropriate?

B. StatefulSet

C. ReplicaSet

D. DaemonSet

E. CronJob

F. Static Pod

Correct Answer: D

Explanation:

A (Incorrect): Deployments are for stateless applications where the specific node placement isn't guaranteed for every node.

B (Incorrect): StatefulSets are for applications requiring stable identifiers and persistent storage.

C (Incorrect): ReplicaSets maintain a stable set of replica Pods but do not guarantee one per node.

E (Incorrect): CronJobs run tasks at specific intervals, not as a continuous background process on every node.

F (Incorrect): While Static Pods run on a specific node, they are managed by the kubelet directly, not the API server via a controller.

Question 3: When a Pod is stuck in the 'Pending' state, which command is the most effective first step for identifying why the scheduler cannot place the Pod?

B. kubectl describe pod [pod-name]

C. kubectl get nodes -o wide

D. kubectl delete pod [pod-name]

E. kubectl top pod [pod-name]

F. kubectl exec -it [pod-name] -- sh

Correct Answer: B

Explanation:

A (Incorrect): If a Pod is Pending, the container hasn't started, so there are no logs to view.

C (Incorrect): This shows node status but doesn't explain the specific reason for a single Pod's scheduling failure.

D (Incorrect): Deleting the Pod doesn't provide a diagnosis.

E (Incorrect): The top command shows resource usage for running pods; it cannot show data for a pending one.

F (Incorrect): You cannot execute a shell into a Pod that hasn't been scheduled or started yet.

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