Microsoft Azure Fundamentals: Network Security
“Restricting traffic into and out of subnets and virtual machines is one aspect of a defense-in-depth security strategy similar to perimeter and host firewalls configured in an on-premises network.
In this course focus on Network Security Groups (NSGs) and learn how to create NSGs using the Azure portal the CLI and PowerShell. Next you will explore how Azure Firewall provides additional network security options beyond NSGs. Then manage Azure Firewall application network and NAT rules to control network traffic flow.
This course can be used to prepare for exam AZ-900 Microsoft Azure Fundamentals.”