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AZ-305 · Question #162

Your company has offices in the United States, Europe, Asia, and Australia. You have an on-premises app named App1 that uses Azure Table storage. Each office hosts a local instance of App1. You need t

The correct answer is C. Azure Cosmos DB. Azure Cosmos DB Table API has single-digit millisecond latency for reads and writes, backed with <10-ms latency reads and <15-ms latency writes at the 99th percentile, at any scale, anywhere in the world. Automatic and complete indexing on all properties, no index management. Tur

Submitted by thandi_sa· Mar 6, 2026Design data storage solutions

Question

Your company has offices in the United States, Europe, Asia, and Australia. You have an on-premises app named App1 that uses Azure Table storage. Each office hosts a local instance of App1. You need to upgrade the storage for App1. The solution must meet the following requirements: - Enable simultaneous write operations in multiple Azure regions. - Ensure that write latency is less than 10 ms. - Support indexing on all columns. - Minimize development effort. Which data platform should you use?

Options

  • AAzure SQL Database
  • BAzure SQL Managed Instance
  • CAzure Cosmos DB
  • DTable storage that uses geo-zone-redundant storage (GZRS) replication

How the community answered

(25 responses)
  • A
    20% (5)
  • B
    12% (3)
  • C
    64% (16)
  • D
    4% (1)

Explanation

Azure Cosmos DB Table API has single-digit millisecond latency for reads and writes, backed with <10-ms latency reads and <15-ms latency writes at the 99th percentile, at any scale, anywhere in the world. Automatic and complete indexing on all properties, no index management. Turnkey global distribution from one to 30+ regions. Support for automatic and manual failovers at any time, anywhere in the world. https://docs.microsoft.com/en-us/azure/cosmos-db/table-support

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