NSG rule targets: application security group vs IP list vs service tag

This sheet compares Application security group, IP address list, Service tag.

CriterionApplication security groupIP address listService tag
TargetsA named set of network interfacesExplicit addresses you listA Microsoft-defined range (e.g. VirtualNetwork, AzureLoadBalancer)

The verdict, the full comparison, 3 rules and 2 traps are part of AZ-104 access. Unlock AZ-104.