Certified Kubernetes Application Developer assessment
Remote-proctored or provider-controlled performance assessment using practical tasks and an exam environment.
- Type
- Practical
- Delivery
- Online
- Duration
- 120 min
Exam sections
Application Design and Build
This area examines how candidates work with application design and build when requirements, constraints, and expected outcomes must be reconciled. The official competency detail includes Define, build and modify container images; Choose and use the right workload resource (Deployment, DaemonSet, CronJob, etc.); Understand multi-container Pod design patterns (e.g. sidecar, init and others); Utilize persistent and ephemeral volumes.
Question notes
For Application Design and Build, the section is modeled as a blueprint domain rather than a separately timed exam part. Its concepts can still influence questions or tasks elsewhere in the assessment.
Preparation tips
Use official terminology as an index, then attach each term to an action, example, counterexample, and verification method. Revisit weak explanations until they no longer depend on memorized wording. Use Certified Kubernetes Application Developer and the Application Design and Build heading as the boundary for deciding how deeply to pursue adjacent material.
Application Deployment
Within the wider assessment, Application Deployment tests whether a candidate can connect core principles with defensible execution and verification. The official competency detail includes Use Kubernetes primitives to implement common deployment strategies (e.g. blue/green or canary); Understand Deployments and how to perform rolling updates; Use the Helm package manager to deploy existing packages; Kustomize.
Question notes
Assessment of Application Deployment means assessment items can test recognition of a sound approach, diagnosis of an incorrect one, or completion of a practical step. Treat official weighting separately from any unofficial study emphasis.
Preparation tips
Alternate focused review with mixed-domain practice. The mixed sessions are important because Application Deployment is likely to interact with other responsibilities rather than remain an isolated fact set. A final self-check should explain why Application Deployment matters to the candidate profile for this credential.
Application Observability and Maintenance
Here the emphasis is on applying application observability and maintenance to realistic technical, operational, governance, legal, or business situations. The official competency detail includes Understand API deprecations; Implement probes and health checks; Use built-in CLI tools to monitor Kubernetes applications; Utilize container logs; Debugging in Kubernetes.
Question notes
When Certified Kubernetes Application Developer reaches Application Observability and Maintenance, assessment items can test recognition of a sound approach, diagnosis of an incorrect one, or completion of a practical step. Treat official weighting separately from any unofficial study emphasis.
Preparation tips
Build a small practice set for application observability and maintenance: one normal workflow, one deliberately broken case, and one comparison between competing approaches. Record what evidence confirms the correct outcome. Revisit the exercise if the explanation cannot distinguish Application Observability and Maintenance from a neighboring blueprint area.
Application Environment, Configuration and Security
The scope of Application Environment, Configuration and Security includes both understanding the subject and choosing an effective response when conditions or objectives change. The official competency detail includes Discover and use resources that extend Kubernetes (CRD, Operators); Understand authentication, authorization and admission control; Understand requests, limits, quotas; Understand ConfigMaps; Define resource requirements; Create & consume Secrets; Understand ServiceAccounts; Understand Application Security (SecurityContexts, Capabilities, etc.).
Question notes
In the context of Certified Kubernetes Application Developer, the Application Environment, Configuration and Security objectives indicate that the section is modeled as a blueprint domain rather than a separately timed exam part. Its concepts can still influence questions or tasks elsewhere in the assessment.
Preparation tips
Build a small practice set for application environment, configuration and security: one normal workflow, one deliberately broken case, and one comparison between competing approaches. Record what evidence confirms the correct outcome. Keep the resulting notes under the Application Environment, Configuration and Security heading so gaps remain visible during mixed review.
Services and Networking
The scope of Services and Networking includes both understanding the subject and choosing an effective response when conditions or objectives change. The official competency detail includes Demonstrate basic understanding of NetworkPolicies; Provide and troubleshoot access to applications via services; Use Ingress rules to expose applications.
Question notes
Assessment of Services and Networking means the provider's outline defines the subject boundary, but individual items may combine it with neighboring domains. Read for constraints and desired outcomes before selecting or performing an action.
Preparation tips
Practice services and networking in the environment or professional context the credential targets. After each exercise, explain the dependencies, likely failure signals, and safe recovery or escalation path. Use Certified Kubernetes Application Developer and the Services and Networking heading as the boundary for deciding how deeply to pursue adjacent material.