Storage

Storage account names are used to create the public endpoint URLs for accessing data. Because these URLs are accessible over the internet, the name must be globally unique across all of Azure. Options like subscription-unique are incorrect because they would allow naming conflicts in the public DNS namespace.

Locally Redundant Storage (LRS) replicates your data synchronously three times within a single physical datacenter in the primary region to protect against local hardware failures. It does not replicate data across multiple regions, which is a capability reserved for Geo-Redundant Storage (GRS).

Locally Redundant Storage (LRS) replicates your data synchronously three times within a single physical datacenter in the primary region to protect against local hardware failures. A diagram for this topic isn't available yet — the worked example below walks the same reasoning step by step.

• !Options like subscription-unique are incorrect because they would allow naming conflicts in the public DNS namespace.

Answer each from memory — you'll see instantly whether you're right and why.

Run a focused 10-question mini-mock on Storage and see it stick.