Answers

1. DNS settings have been configured on the VNet.
2. Use Azure Compute Galleries to replicate your virtual machine image across multiple regions.
3. FSLogix Cloud Cache.

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	Azure component	Description of component
1	Virtual network	You should consider the design of your network connectivity during an outage.
2	Virtual machines	Depending on the host pool type and requirement, you may wish to replicate your virtual machines to the second region or replicate an image template using Azure Compute Galleries to deploy new session hosts within the second region. Availability zones should also be considered within a local region. Read more here: https://docs.microsoft.com/azure/availability-zones/az-overview.