Crucial Exams

Microsoft Azure Solutions Architect Expert AZ-305 Practice Question

Contoso ingests billions of semi-structured IoT telemetry events each hour. You plan to store the data by using Azure Cosmos DB with the Core (SQL) API. The solution must:

  • guarantee 99.999 percent read and write availability even if an Azure region becomes unavailable,
  • provide automatic failover without code changes, and
  • keep write latency as low as possible for users worldwide. Which design should you recommend?

  • Create a Cosmos DB account that has multi-region writes enabled, add the required Azure regions, and configure automatic failover with a prioritized region list.

  • Provision Azure SQL Database in two regions, configure an active geo-replication pair, and enable automatic failover groups for high availability.

  • Create a single-write-region Cosmos DB account, replicate it to additional regions, and use Azure Traffic Manager with performance routing to direct clients; trigger failover manually when needed.

  • Deploy Azure Table storage accounts in two Azure regions with geo-redundant storage replication (RA-GRS) and implement client-side retry logic for failover.

Microsoft Azure Solutions Architect Expert AZ-305
Design business continuity solutions
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