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Becoming KCNA Certified

You're reading from   Becoming KCNA Certified Build a strong foundation in cloud native and Kubernetes and pass the KCNA exam with ease

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781804613399
Length 306 pages
Edition 1st Edition
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Author (1):
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Dmitry Galkin Dmitry Galkin
Author Profile Icon Dmitry Galkin
Dmitry Galkin
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Toc

Table of Contents (22) Chapters Close

Preface 1. Part 1: The Cloud Era
2. Chapter 1: From Cloud to Cloud Native and Kubernetes FREE CHAPTER 3. Chapter 2: Overview of CNCF and Kubernetes Certifications 4. Part 2: Performing Container Orchestration
5. Chapter 3: Getting Started with Containers 6. Chapter 4: Exploring Container Runtimes, Interfaces, and Service Meshes 7. Part 3: Learning Kubernetes Fundamentals
8. Chapter 5: Orchestrating Containers with Kubernetes 9. Chapter 6: Deploying and Scaling Applications with Kubernetes 10. Chapter 7: Application Placement and Debugging with Kubernetes 11. Chapter 8: Following Kubernetes Best Practices 12. Part 4: Exploring Cloud Native
13. Chapter 9: Understanding Cloud Native Architectures 14. Chapter 10: Implementing Telemetry and Observability in the Cloud 15. Chapter 11: Automating Cloud Native Application Delivery 16. Part 5: KCNA Exam and Next Steps
17. Chapter 12: Practicing for the KCNA Exam with Mock Papers 18. Chapter 13: The Road Ahead 19. Assessments 20. Index 21. Other Books You May Enjoy

Questions

As we conclude, here is a list of questions for you to test your knowledge regarding this chapter’s material. You will find the answers in the Assessments section of the Appendix:

  1. Which of the following helps to get better resiliency with Kubernetes?
    1. Resource requests
    2. Multi-container pods
    3. Reconciliation loop
    4. Ingress controller
  2. Which of the following Kubernetes autoscalers allows us to automatically increase and decrease the number of pods based on the load?
    1. VPA
    2. HPA
    3. RPA
    4. Cluster Autoscaler
  3. Which of the following Kubernetes autoscalers adjusts container resource requests and limits based on statistical data?
    1. VPA
    2. HPA
    3. RPA
    4. Cluster Autoscaler
  4. Why is it important to downscale the application and infrastructure?
    1. To reduce the possible attack surface
    2. To avoid hitting cloud provider limits
    3. To reduce network traffic
    4. To reduce costs when computation resources are idling
  5. What best describes horizontal scaling?
    1. Adding more CPU to the same service instance
    2. Adding more replicas...
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