• 25%: Cluster Architecture, Installation, and Configuration
• 15%: Workloads and Scheduling
• 20%: Services and Networking
• 10%: Storage
• 30%: Troubleshooting

Nội dung khóa học và ôn thi chứng chỉ CKA

Section 1. Cluster Architecture, Installation, and Configuration

Creating and Managing a Kubernetes Cluster

• Installing a Cluster
• Initializing the Control Plane Node
• Joining the Worker Nodes
• Managing a Highly Available Cluster
• Upgrading a Cluster Version
• Upgrading control plane nodes
• Upgrading worker nodes

Role-Based Access Control

• RBAC High-Level Overview
• Creating a Subject
• ServiceAccounts
• Rendering ServiceAccount Details
• Assigning a ServiceAccount to a Pod
• Understanding RBAC API Primitives
• Default User-Facing Roles
• Creating Roles
• Creating RoleBindings
• Rendering RoleBinding Details
• Seeing the RBAC Rules in Effect
• Namespace-wide and Cluster-wide RBAC
• Aggregating RBAC Rules

Backing Up and Restoring etcd

• Backing Up etcd
• Restoring etcd

Section 2. Workloads

Managing Workloads with Deployments

• Understanding Deployments
• Creating Deployments
• Listing Deployments and Their Pods
• Rendering Deployment Details
• Deleting a Deployment

Performing Rolling Updates and Rollbacks

• Rolling Out a New Revision
• Rolling Back to a Previous Revision

Scaling Workloads

• Manually Scaling a Deployment
• Manually Scaling a StatefulSet
• Autoscaling a Deployment
• Creating Horizontal Pod Autoscalers
• Listing Horizontal Pod Autoscalers
• Rendering Horizontal Pod Autoscaler Details

Defining and Consuming Configuration Data

• Creating a ConfigMap
• Consuming a ConfigMap as Environment Variables
• Mounting a ConfigMap as a Volume
• Creating a Secret
• Consuming a Secret as Environment Variables

Mounting a Secret as a Volume

Section 3. Scheduling and Tooling

Understanding How Resource Limits Affect Pod Scheduling

• Defining Container Resource Requests
• Defining Container Resource Limits
• Defining Container Resource Requests and Limits

Managing Objects

• Declarative Object Management Using Configuration Files
• Declarative Object Management Using Kustomize

Common Templating Tools

• Using the YAML Processor yq
• Merging YAML files

Using Helm

Section 4. Services and Networking

Kubernetes Networking Basics

• Connectivity Between Containers
• Connectivity Between Pods
• Understanding Services
• Service Types
• Creating Services
• Listing Services
• Rendering Service Details
• Port Mapping
• Accessing a Service with Type ClusterIP
• Accessing a Service with Type NodePort
• Accessing a Service with Type LoadBalancer
• Understanding Ingress
• Ingress Rules
• Creating Ingresses
• Defining Path Types
• Listing Ingresses
• Rendering Ingress Details
• Accessing an Ingress

Using and Configuring CoreDNS

• Inspecting the CoreDNS Pod
• Inspecting the CoreDNS Configuration
• Customizing the CoreDNS Configuration

DNS for Services

• Resolving a Service by Hostname from the Same Namespace
• Resolving a Service by Hostname from a Different Namespace

DNS for Pods

• Resolving a Pod by Hostname

Choosing an Appropriate Container Network Interface Plugin

Section 5. Storage

Understanding Volumes

Volume Types

Creating and Accessing Volumes

Understanding Persistent Volumes

Static vs. Dynamic Provisioning

Creating PersistentVolumes

Configuration Options for a PersistentVolume

• Volume Mode
• Access Mode
• Reclaim Policy

Creating PersistentVolumeClaims

Mounting PersistentVolumeClaims in a Pod

Understanding Storage Classes

Creating Storage Classes

Using Storage Classes

Section 6. Troubleshooting

Evaluating Cluster and Node Logging

• Cluster Logging
• Using a node logging agent
• Using a sidecar container
• Pushing directly to logging backend
• Node Logging

Monitoring Cluster Components and Applications

Troubleshooting Application Failures

• Troubleshooting Pods
• Retrieving high-level information
• Inspecting events
• Inspecting logs
• Opening an Interactive Shell
• Troubleshooting Services

Troubleshooting Cluster Failures

• Troubleshooting Control Plane Nodes
• Troubleshooting Worker Nodes
• Checking the kubelet process
• Checking the certificate
• Checking the kube-proxy Pod

Tham gia khóa học CKA tại PNH với thời lượng là 16 buổi, hỗ trợ:

• Hỗ trợ dump ôn thi chứng chỉ CKA mới nhất
• Hỗ trợ cho học viên mượn phòng thi để thi chứng chỉ CKA (chỉ dành cho học viên PNH)

Một số học viên tại PNH đã pass chứng chỉ CKA

Học viên Nguyễn Đức Nam lớp DevOps Pro thầy Hoàng pass chứng chỉ CKA ngày 19/04/2023 và chứng chỉ CKAD ngày 08/05/2023