Certified Kubernetes Administrator (CKA) Practice Test
Gana confianza para Certified Kubernetes Administrator (CKA). Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
La certificación Certified Kubernetes Administrator (CKA), ofrecida por el Cloud Native Computing Foundation (CNCF) y la Linux Foundation, valida las habilidades, conocimientos y competencias de un individuo en las responsabilidades de un administrador de Kubernetes. Este examen práctico y basado en desempeño certifica que un candidato puede realizar de manera proficiente tareas administrativas principales en un clúster de Kubernetes en vivo, como instalación, configuración, gestión y resolución de problemas. Dado que Kubernetes es el estándar de facto para la orquestación de contenedores, obtener la CKA demuestra una capacidad probada para manejar desafíos operativos reales, gestionar el ciclo de vida del clúster y asegurar la fiabilidad y escalabilidad de aplicaciones en entornos de producción, lo que aumenta la credibilidad y valor de profesionales en el ecosistema cloud-native.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A Secret is mounted as a volume and then the Secret data is updated. Which statement is most accurate for normal Secret volume projection?
A Service has no ready endpoints, but matching Pods are Running. describe pod shows readiness probe failing. Why is Service traffic not sent to them?
You are upgrading a kubeadm cluster from one minor version to the next. Which control-plane sequence is the safest high-level order?
You need kubectl commands in the current shell to target namespace logging without adding -n logging each time. Which command changes the current context namespace?
A Service should expose a cloud provider load balancer and forward to Pods selected by app=shop. Which Service type is appropriate?
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.
01Troubleshooting
Temas
- Troubleshoot clusters and nodes
- Troubleshoot cluster components
- Monitor cluster and application resource usage
- Manage and evaluate container output streams
- Troubleshoot services and networking
Objetivos de aprendizaje
- Troubleshoot clusters and nodes
- Troubleshoot cluster components
- Monitor cluster and application resource usage
- Manage and evaluate container output streams
- Troubleshoot services and networking
02Cluster Architecture, Installation & Configuration
Temas
- Manage role based access control (RBAC)
- Prepare underlying infrastructure for installing a Kubernetes cluster
- Create and manage Kubernetes clusters using kubeadm
- Manage the lifecycle of Kubernetes clusters
- Implement and configure a highly-available control plane
- Use Helm and Kustomize to install cluster components
- Understand extension interfaces (CNI, CSI, CRI, etc.)
- Understand CRDs, install and configure operators
Objetivos de aprendizaje
- Manage role based access control (RBAC)
- Prepare underlying infrastructure for installing a Kubernetes cluster
- Create and manage Kubernetes clusters using kubeadm
- Manage the lifecycle of Kubernetes clusters
- Implement and configure a highly-available control plane
- Use Helm and Kustomize to install cluster components
- Understand extension interfaces (CNI, CSI, CRI, etc.)
- Understand CRDs, install and configure operators
03Services & Networking
Temas
- Understand connectivity between Pods
- Define and enforce Network Policies
- Use ClusterIP, NodePort, LoadBalancer service types and endpoints
- Use the Gateway API to manage Ingress traffic
- Know how to use Ingress controllers and Ingress resources
- Understand and use CoreDNS
Objetivos de aprendizaje
- Understand connectivity between Pods
- Define and enforce Network Policies
- Use ClusterIP, NodePort, LoadBalancer service types and endpoints
- Use the Gateway API to manage Ingress traffic
- Know how to use Ingress controllers and Ingress resources
- Understand and use CoreDNS
04Workloads & Scheduling
Temas
- Understand application deployments and how to perform rolling update and rollbacks
- Use ConfigMaps and Secrets to configure applications
- Configure workload autoscaling
- Understand the primitives used to create robust, self-healing, application deployments
- Configure Pod admission and scheduling (limits, node affinity, etc.)
Objetivos de aprendizaje
- Understand application deployments and how to perform rolling update and rollbacks
- Use ConfigMaps and Secrets to configure applications
- Configure workload autoscaling
- Understand the primitives used to create robust, self-healing, application deployments
- Configure Pod admission and scheduling (limits, node affinity, etc.)
05Storage
Temas
- Implement storage classes and dynamic volume provisioning
- Configure volume types, access modes and reclaim policies
- Manage persistent volumes and persistent volume claims
Objetivos de aprendizaje
- Implement storage classes and dynamic volume provisioning
- Configure volume types, access modes and reclaim policies
- Manage persistent volumes and persistent volume claims