Protect a Redshift cluster from a regional outage.
Copy automated snapshots to a disaster-recovery Region and restore the cluster there when needed.
Which configuration is most appropriate?
Configure Redshift automated snapshot copy with the destination Region, KMS key, and retention policy.
Detailed explanation
Redshift copies snapshots across Regions for DR and can apply destination retention and encryption.
Redshift copies snapshots across Regions for DR and can apply destination retention and encryption.
S3 CRR replicates S3 objects and does not target Redshift snapshots.
S3 CRR replicates S3 objects and does not target Redshift snapshots.
DynamoDB recovery does not protect Redshift clusters.
DynamoDB recovery does not protect Redshift clusters.
Audit events are not a backup of Redshift data blocks.
Audit events are not a backup of Redshift data blocks.
Check official documentation
Compare the following points with the official documentation.
Amazon Redshift automated snapshot copy、KMS、DRリージョン復元の公式説明を確認する。
What to confirm
S3 CRR・DynamoDB PITR・監査ログとRedshiftのDRバックアップを区別できる。
Key points
- Snapshot copy
- Cross-Region
- Disaster recovery
- KMS
Notes
- Environment: AWS公式DEA-C01試験ガイドと各サービスの公式ドキュメントの確認
- Confirm current AWS service behavior in the official DEA-C01 documentation.
Foundation review
Service-specific backup
S3 replication and DynamoDB recovery controls do not copy Redshift snapshots.
DR validation
Test restore time, network dependencies, credentials, and application cutover in the destination.