[&] Which of the following data can be analyzed across subscriptions in Azure monitor?  (Select all that apply)
- Network topologies
- Performance metrics -- Correct
- Diagnostics logs -- Correct
- Spending across all subscriptions

[&] Which of these services are required to aggregate activity logs from multiple subscriptions in a single log analytics workspace? (Select all that apply)
- Event grid
- Event hub -- Correct
- Logic app -- Correct
- Azure SQL Server