Microsoft Azure Architect Design (AZ-301) Practice Exam

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What failover strategy should be recommended to ensure all workloads are available in Azure as quickly as possible during an on-premises data center failure?

  1. Latest app-consistent

  2. Latest processed

  3. Latest multi-VM processed

  4. Immediate failover

The correct answer is: Latest processed

The recommended failover strategy for ensuring that all workloads in Azure are available as quickly as possible during an on-premises data center failure is the latest processed approach. This strategy focuses on replicating workloads to Azure while ensuring that as many changes as possible have been transferred. In the event of a failure, this allows for a smooth transition with minimal data loss and a quick restoration of services since the latest processed data is already in Azure. This strategy allows for a balance between the speed of failover and data integrity. By processing the most recent data before the failover occurs, it increases the likelihood that when services are brought back online in Azure, they will be in a state that is up-to-date, yet allows for a quicker recovery compared to waiting for a full app-consistent snapshot. Other options may focus on different aspects of data recovery or might not prioritize the speed of availability as effectively. For example, an immediate failover could lead to gaps in data consistency, while strategies like latest app-consistent may take longer to execute as they require ensuring that all data is consistent at the time of the snapshot.