Designing and Implementing Microsoft Azure Networking Solutions AZ-700 — Question 287

You purchase an Azure subscription. You plan to deploy resources shown in the following table to the subscription. You need to create a NSG1 rule named Rule1 to meet the following requirements: • Enable the search servers of App1 to establish outbound HTTP connections to internet services. • Minimize administrative effort when new search servers are deployed. • Use the principle of least privilege. What should you select as the source for Rule1?