CKA - Certified Kubernetes Administrator Practice Test
Gana confianza para CKA - Certified Kubernetes Administrator. Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
The Certified Kubernetes Administrator (CKA) certification, governed by the Cloud Native Computing Foundation (CNCF) and Linux Foundation, validates the skills required to perform core Kubernetes administration tasks in a production environment. This performance-based exam tests a candidate's ability to build, configure, manage, and troubleshoot Kubernetes clusters through hands-on command-line tasks. It is the industry's premier benchmark for operational proficiency with Kubernetes, covering the entire lifecycle of a Kubernetes cluster-from installation and security to networking, storage, and application deployment. Earning the CKA demonstrates not just theoretical knowledge, but practical, job-ready competency in managing containerized applications at scale. In an ecosystem where Kubernetes has become the de facto standard for container orchestration, this certification distinguishes professionals as capable administrators who can ensure cluster reliability, efficiency, and security, making them invaluable assets to organizations undergoing digital transformation.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A cluster upgrade plan shows CoreDNS and kube-proxy addon changes. The API server upgrade succeeded, but CoreDNS pods crash because a custom Corefile uses a removed plugin. What is the best upgrade practice?
A new pod remains Pending with events `0/4 nodes are available: 4 Insufficient cpu`. The Deployment currently has `resources.requests.cpu: 1500m`. What should you inspect before changing scheduler policy?
A new control-plane node is added to an HA kubeadm cluster using certificate key upload. The command fails because the certificate key expired. What is the fix?
After a Deployment image update, new pods show `ImagePullBackOff`. The registry is private and the namespace already has a Secret named regcred. What is the smallest manifest change to the Deployment template?
A worker is NotReady and `kubectl describe node` shows `KubeletNotReady: container runtime network not ready`. Which first host-level check is most directly tied to the reported condition?
Oportunidades profesionales y salario
Los rangos son cifras del mercado de EE. UU. salvo que se muestre un rango local.