You plan to deploy several Azure virtual machines that will run Windows Server 2019 in a virtual machine scale set by using an Azure Resource Manager template. You need to ensure that NGINX is…

Microsoft Intune is used for managing endpoints and mobile devices, not for configuring server applications like NGINX on Azure Virtual Machines.

A Desired State Configuration (DSC) extension allows you to define the desired software configuration, such as installing NGINX, and apply it to virtual machines, including those in a scale set, during or after deployment. This ensures that all VMs consistently reach a specified state, making it ideal for automating application setup on newly provisioned machines.

Azure Application Insights is a monitoring service for application performance and health, not a deployment or configuration tool for installing software.

Deployment Center in Azure App Service is for deploying web applications to Azure App Service, which is a PaaS offering, not for configuring software on IaaS Azure Virtual Machines or VM scale sets.