Book Image

The KCNA Book

By : Nigel Poulton
Book Image

The KCNA Book

By: Nigel Poulton

Overview of this book

There is a huge benefit in building small, specialized, single-purpose apps that can self-heal, auto scale, and update regularly without needing downtime. Kubernetes and cloud-native technologies come in handy in building such apps. Possessing the knowledge and skills to leverage Kubernetes can positively enhance possibilities in favor of architects who specialize in cloud-native microservices applications. ‘The KCNA Book’ is designed to help those working in technology with a passion to become certified in the Kubernetes and Cloud-Native Associate Exam. You will learn about containerization, microservices, and cloud-native architecture. You will learn about Kubernetes fundamentals and container orchestration. The book also sheds light on cloud-native application delivery and observability. It focuses on the KCNA exam domains and competencies, which can be applied to the sample test included in the book. Put your knowledge to the test and enhance your skills with the all-encompassing topic coverage. Upon completion, you will begin your journey to get the best roles, projects, and organizations with this exam-oriented book.
Table of Contents (12 chapters)
8: Sample test
Appendix B: Sample Test answers

Recap questions

See Appendix A for answers. Page 157 in the paperback edition.

1. Which of the following are advantages of containers compared to virtual machines? Choose all correct answers.

    1. Smaller size
    1. Faster start times
    1. More secure out-of-the-box
    1. More apps per physical server

2. Which of the following is an advantage of virtual machines compared to containers?

    1. Virtual machines start faster than containers
    1. Virtual machines are more secure out-of-the-box
    1. Virtual machines are smaller than containers
    1. Virtual machines enable microservices design patterns

3. Which layer does container virtualisation work at?

    1. The hardware layer
    1. The infrastructure layer
    1. The application layer
    1. The operating system layer

4. Which of the...