Explanation:
Box 1: Azure Automation Change Tracking
Changes to the Windows registry on the virtual machines
Change Tracking and Inventory in Azure Automation
This feature tracks changes in virtual machines hosted in Azure, on-premises, and other cloud environments to help you pinpoint operational and environmental issues with software managed by the Distribution Package Manager. Items that are tracked by Change Tracking and Inventory include:
Windows software
Linux software (packages)
Windows and Linux files
*-> Windows registry keys
Windows services
Linux daemons
Box 2: Azure Monitor for VM Insights
Changes to the DNS settings of the virtual machines
VM insights provides a quick and easy method for getting started monitoring the client workloads on your virtual machines and virtual machine scale sets. It displays an inventory of your existing VMs and provides a guided experience to enable base monitoring for them.
Reference:
https://learn.microsoft.com/en-us/azure/automation/change-tracking/overview
https://learn.microsoft.com/en-us/azure/azure-monitor/vm/vminsights-overview
https://learn.microsoft.com/en-us/azure/azure-monitor/change/change-analysis