[&] Which of the following is not required to implement a network virtual appliance with Azure virtual WAN? (choose 1)
- Hub
- Hub route table
- Hub-to-hub connection -- Correct
- Hub virtual network connection

[&] Which of the following are supported topologies for Azure virtual WANs? (choose 2)
- Multiple branch offices connecting to multiple hubs hosted in the same region via VPN
- Multiple branch offices connecting to multiple hubs hosted in different regions via VPN -- Correct
- Multiple branch offices connecting to a single hub via VPN -- Correct
- Multiple branch offices connecting to multiple hubs hosted in in the same region via ExpressRoute