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AI-900: Azure PaaS vs IaaS: How to Choose the Right Cloud Service for Your Application

Learn the difference between Azure PaaS and IaaS, and how to choose the right cloud service for your application. Find out why Azure Database for MySQL is a better option than Azure virtual machines for MySQL workloads.


Tradewind Traders is planning to migrate some of their data and resources to Azure cloud services, Management has decided to only make use of the Platform as a Service (PaaS) offerings in Azure. You have been asked to design a migration plan. As part of this design, you have included the creation of Azure App Services and Azure virtual machines that will run MySQL Databases. Does this design meet the requirements of the Organisation?

A. Yes
B. No


B. No


Azure App Service is a PaaS (Platform as a Service) service. However, Azure virtual machines are an IaaS (Infrastructure as a Service) service. Therefore, this design does not meet the requirements.

The correct answer is B. No.

This design does not meet the requirements of the organisation, because it includes the creation of Azure virtual machines that will run MySQL Databases. Azure virtual machines are an example of Infrastructure as a Service (IaaS), not Platform as a Service (PaaS). IaaS provides access to computing resources like servers, storage, and networks, but the customer is responsible for managing and maintaining them. PaaS provides a framework for developing and running applications, without having to handle the underlying infrastructure. PaaS includes tools, services, and systems that support the web application lifecycle, such as middleware, development tools, business intelligence services, database management systems, and more.

If the organisation wants to use only PaaS offerings in Azure, they should replace the Azure virtual machines with Azure Database for MySQL, which is a fully managed relational database service that supports MySQL workloads. Azure Database for MySQL provides built-in high availability, security, and scalability, and eliminates the need to manage the infrastructure, operating system, and database software. By using Azure Database for MySQL, the organisation can benefit from the advantages of PaaS over IaaS, such as faster time to market, lower costs, and reduced complexity.

Microsoft Azure AI Fundamentals AI-900 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Microsoft Azure AI Fundamentals AI-900 exam and earn Microsoft Azure AI Fundamentals AI-900 certification.

Microsoft Azure AI Fundamentals AI-900 certification exam practice question and answer (Q&A) dump

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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