February 2026
Beginner
360 pages
8h 26m
English
Content preview from Azure Fundamentals (AZ-900) Study Guide
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Appendix A. Practice Exam
To check your answers, please refer to the “Practice Exam Answer Key”.
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Your company plans to deploy a new web application. Management does not want to purchase or maintain physical servers, nor do they want to hire a system administrator to manage the operating system. The development team should focus only on developing and deploying web application code.
Which cloud service type is most appropriate?
IaaS
PaaS
SaaS
IaaS, PaaS, and SaaS are equally appropriate for this situation.
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Your company’s on-premises email server is reaching the end of its useful life. Management wants a fully managed solution where the vendor is responsible for the infrastructure, maintenance, updating, and security of the email service.
Which cloud service model best meets this requirement?
IaaS
PaaS
SaaS
IaaS, PaaS, and SaaS are equally appropriate for this situation.
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Your company needs a highly customizable environment to run legacy applications that require a specific, unsupported version of an operating system.
Which cloud service type gives you the most control over the OS?
IaaS
PaaS
SaaS
IaaS, PaaS, and SaaS are very similar with respect to OS control.
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Your company experiences a massive, but predictable, surge in traffic to its ecommerce website for two weeks during the holiday season.
Which core cloud benefit allows you to temporarily add resources to handle the load and then remove resources afterward to minimize cost?
High availability
Scalability ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.