Certified Kubernetes Application Developer (CKAD) Study Guide, Second Edition

Kubernetes application development is learned in the details: shaping workloads, choosing how they roll out, setting resource limits, and knowing what to inspect when something goes wrong. Benjamin Muschko’s Certified Kubernetes Application Developer (CKAD) Study Guide, Second Edition organizes those hands-on skills around the CKAD exam and the work of operating applications in a Kubernetes environment.

The guide moves from exam orientation and Kubernetes fundamentals into practical coverage of the command line, application design, deployment, observability, configuration, security, and networking. Its emphasis is on understanding when and how to use Kubernetes objects and commands—not just recognizing their names.

Start with the cluster, then get hands-on

The opening section introduces the certification objectives, Kubernetes architecture, API objects, and kubectl. It also addresses imperative and declarative ways to manage resources, helping readers understand the trade-offs behind each approach and build fluency with the command-line tool.

Shape and run application workloads

Application design and build topics include container images, Pods, namespaces, Jobs, CronJobs, storage, and multi-container Pod patterns such as sidecars. The chapters also cover labels and annotations, which help organize and describe Kubernetes resources.

From there, the deployment material explores Deployments, scaling, rolling updates and rollbacks, alternative deployment strategies, and Helm. This progression connects individual workload objects with the broader task of releasing and managing an application.

Observe, configure, and troubleshoot

Coverage of probes and troubleshooting addresses how to inspect Pods and containers and investigate common operational problems. Later chapters turn to custom resource definitions, authentication and authorization, resource requests and limits, quotas, ConfigMaps, Secrets, and security contexts.

Services, Ingresses, and network policies round out the networking material, bringing application connectivity and traffic controls into the study plan.

Use the exam-focused structure to guide review

Chapters include exam essentials and sample exercises, and the appendices provide answers to review questions plus a guide connecting exam objectives with relevant chapters. These features make it easier to move between learning a topic and revisiting it as part of a focused review.

This second edition is suited to developers preparing for the CKAD exam who want an organized, practice-oriented guide to Kubernetes application workloads and operations. It can also serve as a topic-by-topic reference for developers strengthening their command-line and Kubernetes fundamentals.