AZ-900 study notes

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Storage

  • Blob storage is a flat structure used for unstructured data (images, videos etc)
  • Azure file storage and Azure Data Lake storage are hierarchical file storage similar to SMB shares, both of which you can do shares on

Connectivity

  • Azure Express route is more expensive than a site to site VPN
  • Azure Express route does not traverse the internet, it's a private connection
  • One vnet cannot talk to another vnet unless you create a vnet peer
  • For a site to site vpn the "Local Network Gateway" is created in Azure but it refers to the IP address of the on prem router/VPN. The "Virtual Network Gateway" is also created in Azure but this refers to the Azure side of the VPN

Subscriptions

  • One subscription can have a max of 980 resource groups
  • One subscription can have a max of 50 tags
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