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?

A. Azure SQL Database

B. Azure SQL Managed Instance

C. Azure Cosmos DB

D. Table storage that uses geo-zone-redundant storage (GZRS) replication








 

Suggested Answer: D

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.
Incorrect Answers:
D: Azure Table storage, but has no upper bounds on latency.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/table-support

This question is in AZ-304 Microsoft Azure Architect Design Exam
For getting Microsoft Certified: Azure Solutions Architect Expert Certificate




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