An organization is migrating a critical transaction processing application to Azure. The application requires high availability with zero data loss (zero Recovery Point Objective) in the event of a single datacenter outage. It also requires a disaster recovery solution that keeps data within the same national boundary and replicates data to a secondary site located at least 300 miles away. Which of the following architectural strategies should the organization implement? (Select TWO.)
- Deploy the application across multiple Availability Zones within the primary region and implement synchronous replication between these zones.Cevap
- Configure asynchronous replication to the designated Azure regional pair of the primary region to meet the disaster recovery and residency requirements.Cevap
- CDeploy the database across Availability Zones that span both the primary region and its regional pair to achieve synchronous cross-region failover.
- DConsolidate all database resources into a single Resource Group located in the primary region to force all replicas to inherit the same physical zone.
- EConfigure synchronous replication to the regional pair to guarantee high availability and prevent transaction latency during local datacenter power failures.
Cevap
Deploy the application across multiple Availability Zones within the primary region with synchronous replication, and configure asynchronous replication to the designated Azure regional pair of the primary region.
Deploying the application across multiple Availability Zones with synchronous replication provides high availability and protects against single datacenter failures without data loss. Replicating asynchronously to the designated Azure regional pair fulfills the requirement of disaster recovery at a distance of at least 300 miles while respecting local residency boundaries.
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Anahtar Kavram
Azure Regions, Availability Zones, and Region Pairs
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