Explanation: Box 1: Yes Being in the same region booth VM's can connect to the same VNET. Box 2: Yes VM1 and VM2 are in different Zones, so if a Datacenter becomes unavailable, either one or another will still be available. Box 3: No Booth VM's are on the same Region, so if it goes down booth VM's will be down also. Reference: https://docs.microsoft.com/en-us/azure/architecture/resiliency/recovery-loss-azure-region