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Domain 3.1: Backup and Disaster RecoveryDomain 3Azure BackupCross Region RestoreDisaster Recovery

AZ-305 · Question 32 · Domain 3.1: Backup and Disaster Recovery

You are designing a backup solution for Azure Virtual Machines and Azure Database for PostgreSQL.

The business requires that backups be stored in a secondary region. In the event of a primary region outage, administrators must be able to restore the VMs and databases directly in the secondary region.

Which TWO configurations are required to achieve this? (Select TWO)

Answer options:

A.

Use a Recovery Services vault configured with Geo-redundant storage (GRS).

B.

Use a Recovery Services vault configured with Zone-redundant storage (ZRS).

C.

Enable the Cross Region Restore (CRR) feature on the vault.

D.

Configure Azure Site Recovery (ASR) for the VMs.

E.

Use a Backup vault instead of a Recovery Services vault.

How to approach this question

Identify the storage redundancy type needed for cross-region data, and the specific Azure Backup feature that enables restoring in that secondary region.

Full Answer

To restore backups in a secondary region, the vault must first be configured with Geo-redundant storage (GRS) so the data is physically copied to the paired region. Secondly, you must explicitly enable the Cross Region Restore (CRR) feature. Without CRR, GRS data is only available if Microsoft declares a regional disaster. With CRR enabled, you can initiate a restore to the secondary region at any time.

Common mistakes

Assuming GRS alone is enough. GRS replicates the data, but CRR is the feature that gives the customer the control to trigger the restore.
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