Certified Kubernetes Administrator (CKA) Practice Exam

The Certified Kubernetes Administrator (CKA) certification validates your proficiency in deploying, managing, and troubleshooting complex Kubernetes clusters in production environments. This globally recognized credential demonstrates your ability to:

Who should consider this exam?

• Kubernetes administrators: Deepen your expertise and validate your skills for career advancement.
• DevOps engineers: Enhance your container orchestration skills for efficient application deployment and management.
• Cloud architects: Expand your cloud-native knowledge and design reliable Kubernetes deployments.
• Infrastructure engineers: Gain hands-on experience with Kubernetes for managing containerized workloads.

Key responsibilities

• Install and configure Kubernetes clusters on various platforms.
• Deploy and manage applications using Kubernetes deployments, services, and pods.
• Secure Kubernetes clusters with best practices and authentication mechanisms.
• Implement networking and storage solutions for Kubernetes environments.
• Monitor and troubleshoot Kubernetes clusters for optimal performance and stability.
• Automate tasks and workflows using Kubernetes tools and APIs.

Exam details:

• Format: Performance-based exam with practical tasks and scenarios
• Time limit: 2 hours
• Languages: English
  
• Passing score: 66%

Course Outline

The Certified Kubernetes Administrator (CKA) Exam covers the following topics - 

Domain 1 - Cluster Architecture, Installation & Configuration (25%)

• Managing role-based access control (RBAC)
• Using Kubeadm to install a basic cluster
• Managing a highly-available Kubernetes cluster
• Provision underlying infrastructure to deploy a Kubernetes cluster
• Performing a version upgrade on a Kubernetes cluster using Kubeadm
• Implementing etcd backup and restore

Domain 2 - Workloads & Scheduling (15%)

• Understanding deployments and how to perform rolling update and rollbacks
• Using ConfigMaps and Secrets to configure applications
• Knowing how to scale applications
• Understanding the primitives used to create robust, self-healing, application deployment
• Understanding how resource limits can affect Pod scheduling
• Awareness of manifest management and common templating tools

Domain 3 - Services & Networking (20%)

• Understanding host networking configuration on the cluster nodes
• Understanding connectivity between Pods
• Understanding ClusterIP, NodePort, LoadBalancer service types and endpoints
• Knowing how to use Ingress controllers and Ingress resources
• Knowing how to configure and use CoreDNS
• Choosing an appropriate container network interface plugin

Domain 4 - Storage (10%)

• Understanding storage classes, persistent volumes
• Understanding volume mode, access modes, and reclaim policies for volumes 
• Understanding persistent volume claims primitive
• Knowing how to configure applications with persistent storage 

Domain 5 - Troubleshooting (30%)

• Evaluating cluster and node logging 
• Understanding how to monitor applications 
• Managing container stodout & stderr logs 
• Troubleshooting application failures
• Troubleshooting custom component failures
• Troubleshooting networking