Book Image

Preparing for the Certified OpenStack Administrator Exam

By : Matt Dorn
Book Image

Preparing for the Certified OpenStack Administrator Exam

By: Matt Dorn

Overview of this book

This book provides you with a specific strategy to pass the OpenStack Foundation’s first professional certification: the Certified OpenStack Administrator. In a recent survey, 78% of respondents said the OpenStack skills shortage had deterred them from adopting OpenStack. Consider this an opportunity to increase employer and customer confidence by proving you have the skills required to administrate real-world OpenStack clouds. You will begin your journey by getting well-versed with the OpenStack environment, understanding the benefits of taking the exam, and installing an included OpenStack All-in-One Virtual Appliance to work through objectives covered throughout the book. After exploring the basics of the individual services, you will be introduced to strategies to accomplish the exam objectives relevant to Keystone, Glance, Nova, Neutron, Cinder, Swift, Heat, and troubleshooting. Finally, you’ll benefit from the special tips section and a practice exam to put your knowledge to the test. By the end of the journey, you will be ready to become a Certified OpenStack Administrator!
Table of Contents (13 chapters)

Exam objectives

Let's take a look at the Nova exam objectives.

The following table breaks down various Nova-related objectives you should know for the COA exam. As you can see, all of these tasks can be completed on both the Horizon dashboard and CLI. Remember, time is of the essence on the exam—and in many cases, it may be faster to tackle a task on the dashboard. If you feel confident using the CLI and don't need to fumble through help to discover arguments, feel free to use it!

Figure 5.3: Nova exam objectives

Exam objective - managing key pairs

Key pairs are an alternative to password-based authentication when accessing an instance over SSH. A key pair consists of two keys: a public key and a private...