Kubernetes Administrator (CKA-V1.19)
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What is CNCF?
CNCF is an open source software foundation dedicated to making cloud native computing universal and sustainable. Cloud native computing uses an open source software stack to deploy applications as microservices, packaging each part into its own container, and dynamically orchestrating those containers to optimize resource utilization. Cloud native technologies enable software developers to build great products faster.
We host and nurture components of cloud native software stacks, including Kubernetes, Prometheus and Envoy. Kubernetes and other CNCF projects are some of the highest velocity projects in the history of open source. We are regularly adding new projects to better support a full stack cloud native environment.
25% - Cluster Architecture, Installation & Configuration
• Manage role based access control (RBAC)
• Use Kubeadm to install a basic cluster
• Manage a highly-available Kubernetes cluster
• Provision underlying infrastructure to deploy a Kubernetes cluster
• Perform a version upgrade on a Kubernetes cluster using Kubeadm
• Implement etcd backup and restore
15% - Workloads & Scheduling
• Understand deployments and how to perform rolling update and rollbacks
• Use ConﬁgMaps and Secrets to conﬁgure applications
• Know how to scale applications
• Understand the primitives used to create robust, self-healing, application deployments • Understand how resource limits can affect Pod scheduling
• Awareness of manifest management and common templating tools
20% - Services & Networking
• Understand host networking conﬁguration on the cluster nodes
• Understand connectivity between Pods
• Understand ClusterIP, NodePort, LoadBalancer service types and endpoints
• Know how to use Ingress controllers and Ingress resources
• Know how to conﬁgure and use CoreDNS
• Choose an appropriate container network interface plugin
10% - Storage
• Understand storage classes, persistent volumes
• Understand volume mode, access modes and reclaim policies for volumes
• Understand persistent volume claims primitive
• Know how to conﬁgure applications with persistent storage
30% - Troubleshooting
• Evaluate cluster and node logging
• Understand how to monitor applications
• Manage container stdout & stderr logs
• Troubleshoot application failure
• Troubleshoot cluster component failure
• Troubleshoot networking
Certified Kubernetes Administrator (CKA) Exam Curriculum
11% - Networking
• Understand Pod networking concepts.
• Understand service networking.
• Deploy and configure the network load balancer.
• Know how to use Ingress rules.
• Know how to configure and use the cluster DNS.
• Understand CNI
• Understand the networking configuration on the cluster nodes.
12% - Security
• Understand Kubernetes security primitives.
• Know to configure network policies.
• Create and manage TLS certificates for
• Work with images securely.
• Define security contexts.
• Secure persistent key value store.
• Know how to configure authentication and authorization
10% - Troubleshooting
• Troubleshoot application failure.
• Troubleshoot control plane failure.
• Troubleshoot worker node failure.
• Troubleshoot networking
7% - Storage
• Understand persistent volumes and know how to create them.
• Understand access modes for volumes.
• Understand persistent volume claims primitive.
• Understand Kubernetes storage objects.
• Know how to configure applications with persistent storag
19% - Core Concepts
• Understand the Kubernetes API primitives.
• Understand the Kubernetes cluster architecture.
• Understand Services and other network primitives.