AZ-104 Certification Practice Question #150

Question

You have an Azure subscription that contains the storage accounts shown in the following table.

Which storage account can be converted to zone-redundant storage (ZRS) replication?

Accepted Answer

To convert a storage account replication setting to Zone-Redundant Storage (ZRS), the account kind must support ZRS and the transition path must be supported. 
1. **storage1** is a standard General-Purpose v2 (StorageV2) account currently configured with Locally Redundant Storage (LRS). Standard GPv2 accounts fully support ZRS, and the direct conversion from LRS to ZRS is fully supported.
2. **storage2** is configured with Read-Access Geo-Redundant Storage (RA-GRS). A direct conversion from GRS/RA-GRS to ZRS is not supported; it requires first changing the replication to LRS and then performing the conversion to ZRS.
3. **storage3** is a legacy BlobStorage account. ZRS replication is not supported on the legacy BlobStorage account kind (only GPv2, Premium Block Blobs, and Premium FileStorage accounts support ZRS).
Therefore, only `storage1` can be converted to ZRS.

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