Explanation:
Text, letter Description automatically generated

Box 1: No
Load balancers. Load balancers are used to distribute traffic to virtual machines in the application-tier subnet.
For high availability, use the built-in SAP Web Dispatcher, Azure Load Balancer, or network appliances.
Your choice depends on the traffic type (like HTTP or SAP GUI) or the required network services, like Secure Sockets Layer (SSL) termination.
Box 2: Yes
Availability group listener SAP application SQL server load balancer disaster recovery Box 3: Yes Reference:
https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/sap/sap-netweaver
https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/high-availability-guide-suse
https://blogs.sap.com/2020/10/20/sap-on-azure-sap-netweaver-7.5-on-ms-sql-server-2019-high-availability- and-disaster-recovery-with-4-nodes-alwayson-cluster/