Suggested Answer:C🗳️
Scenario: All data must be backed up in case disaster recovery is required. Geo-redundant storage (GRS) is designed to provide at least 99.99999999999999% (16 9's) durability of objects over a given year by replicating your data to a secondary region that is hundreds of miles away from the primary region. If your storage account has GRS enabled, then your data is durable even in the case of a complete regional outage or a disaster in which the primary region isn't recoverable. Reference: https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy-grs
Answer C is correct.
Assuming:
- Inferred from case: processed customer data is stored in SQL DWS
- Technical requirements: "All data must be backed up in case disaster recovery is required"
SQL DWS has the following solutions for restore/disaster revovery:
- snapshots (automatic, user defined) - cannot fulfill the need that all data is backed up RPO <= 8h
- geo-backups - cannot fulfill the need that all data is backed up RPO <= 24h
(https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/backup-and-restore#:~:text=A%20geo%2Dbackup%20is%20created,points%20in%20your%20primary%20region.)
- geo-redundant storage for disaster recovery - fulfill the need that all data is backed up
(https://azure.microsoft.com/en-us/pricing/details/synapse-analytics/)
C for correct
https://docs.microsoft.com/en-us/azure/azure-sql/database/disaster-recovery-guidance
https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy
geo-redundancy for backup
geo-replication for disaster recovery
Assuming the processed customer data is stored in Azure DW (following the previous discussions) and as per this document: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/backup-and-restore, the given answer is correct. Although, the recent wording in Synapse Analytics is Geo-Backups.
-Geo-redundancy signifies a computer system operating at two or more geographical locations as a redundancy in case the primary system fails due to any reason.
-Active geo-replication is designed as a business continuity solution that allows the application to perform quick disaster recovery of individual databases in case of a regional disaster or large scale outage.
Both the concept sounds relatable to the context of the question which mentions "All data must be backed up in case disaster recovery is required"
So anyone has the correct explanation to this and what would be the correct answer
In other words, Geo-Rep is for HA and Geo-Backup is for DR
upvoted 7 times
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