The answer is Azure Virtual Desktop, which provides a managed virtual desktop infrastructure (VDI) solution for deploying Windows desktops and apps from Azure. This service is correct because it abstracts the underlying infrastructure, handling session brokering, load balancing, and user profile management via FSLogix, so you don’t need to manage Remote Desktop Services roles or gateways yourself. On the Microsoft Azure Fundamentals AZ-900 exam, this question tests your understanding of how Azure Virtual Desktop differs from simply running VMs in an IaaS model—a common trap is confusing it with a basic Windows VM, but the key is that AVD is a fully managed VDI service that delivers multi-session Windows 10/11 and remote app streaming over RDP over HTTPS. To remember, think of AVD as “Azure’s VDI-as-a-service” where the management of brokering and sessions is built in, unlike spinning up your own RDS farm. A simple memory tip: AVD = Azure Virtual Desktops, no RDS headaches.
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which Azure service provides a managed virtual desktop infrastructure (VDI) solution for deploying Windows desktops and apps from Azure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Virtual Desktop
Azure Virtual Desktop (AVD) is the correct answer because it is a managed desktop and app virtualization service that runs on Azure, providing a full multi-session Windows 10/11 experience and remote app streaming. Unlike IaaS-based VMs, AVD abstracts the underlying infrastructure, handles brokering, load balancing, and session management, and supports FSLogix profile containers for persistent user data. It uses the Remote Desktop Protocol (RDP) over HTTPS to deliver a secure, scalable VDI solution without needing to manage RDS roles or gateways.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Azure Virtual Machines
Why it's wrong here
VMs are general-purpose servers; Azure Virtual Desktop is specifically for virtualized desktop and app delivery.
✓
Azure Virtual Desktop
Why this is correct
Azure Virtual Desktop provides managed VDI with Windows multi-session desktops and app delivery from Azure.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure App Service
Why it's wrong here
App Service hosts web applications; Virtual Desktop delivers Windows desktops and apps.
✗
Azure Remote Desktop Gateway
Why it's wrong here
RD Gateway is an on-premises component; Azure Virtual Desktop is the fully managed cloud VDI service.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Virtual Machines (IaaS) with Azure Virtual Desktop (managed VDI), mistakenly thinking that simply deploying VMs with RDP access constitutes a full VDI solution, when in fact AVD provides the necessary brokering, scaling, and multi-session capabilities that VMs alone lack.
Detailed technical explanation
How to think about this question
Under the hood, Azure Virtual Desktop uses a control plane hosted in Azure that brokers connections between clients and session hosts via the Azure Virtual Desktop Agent and the Geneva Monitoring agent. It leverages FSLogix Profile Containers to mount user profiles as VHDX files from Azure Files or NetApp, enabling fast logons and persistent settings across sessions. A real-world scenario where this matters is in a regulated enterprise requiring Windows 10 multi-session for task workers, where AVD eliminates the need for Windows Server RDS CALs and provides granular RBAC with Azure AD integration.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Virtual Desktop — Azure Virtual Desktop (AVD) is the correct answer because it is a managed desktop and app virtualization service that runs on Azure, providing a full multi-session Windows 10/11 experience and remote app streaming. Unlike IaaS-based VMs, AVD abstracts the underlying infrastructure, handles brokering, load balancing, and session management, and supports FSLogix profile containers for persistent user data. It uses the Remote Desktop Protocol (RDP) over HTTPS to deliver a secure, scalable VDI solution without needing to manage RDS roles or gateways.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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