
Kubernetes and Cloud Native Associate (KCNA) Study Guide
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Content
- Intro
- Copyright
- Table of Contents
- Foreword: An Overview of the Cloud Native Ecosystem
- A Bit of History
- KCNA Overview
- KCNA Is Only the First Step!
- Preface
- How This Book Is Organized
- Who This Book Is For
- What to Expect from This Study Guide
- Conventions Used in This Book
- Accessing the Book's Images Online
- O'Reilly Online Learning
- How to Contact Us
- Chapter 1. Introduction to the KCNA Certification and Study Guide
- Defining Cloud Native
- Inspirational Success Stories
- Self-Questionnaire for New Cloud Native Practitioners
- Part 1: The CNCF Ecosystem
- Part 2: General Cloud Native Concepts
- Part 3: Kubernetes Topics
- Part 4: Kubernetes Commands
- Part 5: Linux Fundamentals
- Part 6: Other Related Projects
- Expert Insights: Walid Shaari
- Summary
- Chapter 2. The KCNA Exam as the Starting Point
- The KCNA Certification by the Linux Foundation and CNCF
- Why the KCNA Matters and Why You Should Get Certified
- Exam Description and Curriculum
- About the Format
- Part 1: Kubernetes Fundamentals
- Part 2: Container Orchestration
- Part 3: Cloud Native Architecture
- Part 4: Cloud Native Observability
- Part 5: Cloud Native Application Delivery
- Additional Areas of Knowledge
- Kubernetes 101 Hands-on
- Linux Fundamentals
- API-Enabled Development
- Telematics
- Web Development
- Applied Usage
- Exam Study Plan
- Step 1: Determine your Current Level of Knowledge
- Step 2: Prepare and Adopt a Study Schedule
- Step 3: Focus on the Right Material
- Exam Logistics and What to Expect
- Step 1: Schedule Your Exam
- Step 2: Prepare for Exam Day
- Step 3: Wait and Check Results
- Potential Certification Paths
- Case Study: Spotify
- End-of-Chapter Knowledge Check
- Summary
- Chapter 3. CNCF and the New Era of Cloud Native
- The Origins of CNCF
- Timeline of the Cloud Native Industry
- Containerization Origins
- The Rise of Kubernetes and CNCF
- Community Dynamics and Governance
- Key CNCF Resources
- Community Forums
- In-Person and Online Events
- Educational Resources
- Mentorship and Ambassadors
- CNCF Projects and Maturity Levels
- Main CNCF Projects for the KCNA Exam
- Related Initiatives and Work Groups
- Expert Insights: Chris Aniszczyk
- End-of-Chapter Knowledge Check
- Summary
- Chapter 4. Essential Concepts for Cloud Native Practitioners
- General Cloud Computing
- Commercialization of Cloud Computing
- Infrastructure as a Service
- Platform as a Service
- Software as a Service
- Container as a Service
- Function as a Service
- Cloud Computing Infrastructure
- Public Cloud
- Private Cloud
- Hybrid Cloud
- Multicloud
- The Virtualization, Containerization, and Orchestration Trifecta
- Virtualization
- Containerization
- Orchestration
- Relationship Between Cloud Computing and Cloud Native
- Building Cloud Native Applications
- Other Relevant Cloud Native Topics
- DevOps and CI/CD
- GitOps and Infrastructure as Code
- Declarative Versus Imperative
- Stateful Versus Stateless
- Egress and Ingress
- Serverless
- Expert Insights: Benjamin Muschko
- Summary
- Chapter 5. The Key Role of Kubernetes
- An Introduction to Containers and Orchestration Technologies
- Containers
- Container Orchestration
- Container Ecosystem and Standards
- Linux Container
- Docker
- What Do the Container Standards Provide?
- Container Solutions
- What Is Kubernetes, and Why Is It So Important?
- Current Industry Trends
- Artificial Intelligence
- Vector Databases
- Edge Computing
- Platform Engineering
- Orchestration Alternatives to Kubernetes
- Apache Mesos and Marathon
- Red Hat OpenShift
- Containerization Benefits for Businesses
- Expert Insights: Brendan Burns
- Summary
- Chapter 6. Technical Kubernetes Topics
- Kubernetes Basic Concepts: From Containers to Clusters
- Kubernetes Cluster
- Components of the Control Plane
- Components of the Data Plane
- Inside Kubernetes Architecture
- Single-Container and Multi-Container Pods
- Container Runtimes in Kubernetes
- Container Network Interface
- Container Storage Interface
- Navigating Kubernetes States
- Stateless Applications
- Stateful Applications
- Deployments: Orchestrating Stateless Scalability
- StatefulSets: The Custodian of Stateful Applications
- ReplicaSets: Safeguarding Replication and Reliability
- DaemonSet Controller
- Job and CronJob Controllers
- Workload Autoscaling, Kubernetes Events, and Pod Lifecycles
- Horizontal Pod Autoscaler
- Vertical Pod Autoscaler
- Cluster Proportional Autoscaler
- Autoscaling Based on Events
- Cluster Autoscaler
- Scheduler
- Kubernetes Observability and Performance
- Logs
- Metrics
- Traces
- Resource Metrics Pipeline
- Full Metrics Pipeline
- Kubernetes Storage
- Persistent Volumes and Persistent Volume Claims
- Storage Classes
- Volumes and Volume Types
- StatefulSets
- Container Storage Interface
- Dynamic Provisioning
- Networking and Service Mesh
- Cluster Networking
- Ingress Controllers
- Network Plug-ins
- Service Discovery
- Service Mesh
- Kubernetes Security
- Container Image Security Strategies
- Kubernetes Cluster Protection Strategies
- Other Kubernetes-Related Components
- Helm
- Dapr
- ConfigMap
- minikube
- Main Commands
- Expert Insights: James Spurin
- Summary
- Chapter 7. Final Recommendations
- Additional Information for Exam Preparation
- Kubernetes Community Experts to Follow
- KCNA-Related Communities
- Useful GitHub Repositories
- Potential Career Options with KCNA Certification
- Other Kubernetes Certifications
- Relevant Books
- Summary
- Appendix A. End-of-Book Knowledge Check
- Appendix B. Solutions to Self-Questionnaire and Knowledge Checks
- Self-Questionnaire Part 1: The CNCF Ecosystem
- Self-Questionnaire Part 2: General Cloud Native Concepts
- Self-Questionnaire Part 3: Kubernetes Topics
- Self-Questionnaire Part 4: Kubernetes Commands
- Self-Questionnaire Part 5: Linux Fundamentals
- Self-Questionnaire Part 6: Other Related Projects
- Chapter 2 Knowledge Check
- Chapter 3 Knowledge Check
- End-of-Book Knowledge Check
- Index
- About the Authors
- Colophon
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