Certified Kubernetes Application Developer (CKAD) Practice Test
Gana confianza para Certified Kubernetes Application Developer (CKAD). Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
The Certified Kubernetes Application Developer (CKAD) certification, governed by the Cloud Native Computing Foundation (CNCF) and Linux Foundation, validates the essential skills required to design, build, configure, and expose cloud-native applications for Kubernetes. This performance-based exam rigorously tests a candidate's ability to perform core development tasks in a live command-line environment, focusing on practical, hands-on proficiency rather than theoretical knowledge. Earning the CKAD credential demonstrates to employers a proven capability to deploy and manage applications on Kubernetes, a skill set in critical demand as organizations accelerate their cloud-native adoption. It signifies that a developer can effectively leverage Kubernetes APIs, define application resources using YAML, and configure the key building blocks of Pods, Services, and Deployments to create robust, scalable applications. This certification is a cornerstone for developers seeking to advance in modern DevOps and platform engineering roles, providing a tangible benchmark of expertise in the industry's leading container orchestration platform.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A container's exit code is 137. What does that imply?
What is a "headless" Service?
You ran `kubectl set image deployment/web nginx=nginx:1.26 --record`. The rollout is failing because nginx:1.26 doesn't exist. Which command pair restores service fastest?
Which Helm command upgrades a release while preserving values from previous installs and falling back to defaults?
Your application deployment is failing intermittently in production. You need to implement proper health checks and logging to diagnose issues. Which of the following approaches will help you observe and maintain application health?
Oportunidades profesionales y salario
Los rangos son cifras del mercado de EE. UU. salvo que se muestre un rango local.
Qué temas cubre este examen
Usa las ponderaciones publicadas de los dominios para planificar tu estudio. Los resultados de práctica no predicen tu puntuación en el examen de certificación.
01Application Environment, Configuration and Security
Temas
- 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.)
Objetivos de aprendizaje
- 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.)
02Application Deployment
Temas
- 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
Objetivos de aprendizaje
- 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
03Application Design and Build
Temas
- 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
Objetivos de aprendizaje
- 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
04Services and Networking
Temas
- Demonstrate basic understanding of NetworkPolicies
- Provide and troubleshoot access to applications via services
- Use Ingress rules to expose applications
Objetivos de aprendizaje
- Demonstrate basic understanding of NetworkPolicies
- Provide and troubleshoot access to applications via services
- Use Ingress rules to expose applications
05Application Observability and Maintenance
Temas
- Understand API deprecations
- Implement probes and health checks
- Use built-in CLI tools to monitor Kubernetes applications
- Utilize container logs
- Debugging in Kubernetes
Objetivos de aprendizaje
- Understand API deprecations
- Implement probes and health checks
- Use built-in CLI tools to monitor Kubernetes applications
- Utilize container logs
- Debugging in Kubernetes