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)
9
8: Sample test
Appendix B: Sample Test answers

Roles and personas

Being cloud native is more than the technologies you use. It’s also about creating a co-operative culture and the right working environment. A large part of this is having the right set of roles and job titles that are fully supported by senior management.

The following are typical cloud native job roles and personas that you’ll see in the real world. You’ll also be tested on them in the exam.

Cloud Architect

A major responsibility of a Cloud Architect is choosing the right cloud platforms for the business and individual applications. This can include a mix of public clouds, private clouds, and hybrid clouds.

The cloud architect is also responsible for designing infrastructure and applications to be cloud native – resilient, scalable, observable, automated etc.

An awareness of costs and the differences between capital expenditures (capex) and operational expenditures (opex) is vital for this role.

Public cloud is usually an opex...