Microsoft Azure Architect Design (legacy) — Question 45

You have an Azure subscription. The subscription contains an app that is hosted in the East US, Central Europe, and East Asia regions.
You need to recommend a data-tier solution for the app. The solution must meet the following requirements:
✑ Support multiple consistency levels.
✑ Be able to store at least 1 TB of data.
✑ Be able to perform read and write operations in the Azure region that is local to the app instance.
What should you include in the recommendation?

Answer options

• A. an Azure SQL database in an elastic pool
• B. a Microsoft SQL Server Always On availability group on Azure virtual machines
• C. an Azure Cosmos DB database
• D. Azure Table storage that uses geo-redundant storage (GRS) replication

Correct answer: C

Explanation

The correct answer is C, Azure Cosmos DB database, as it supports multiple consistency levels and can efficiently handle over 1 TB of data while allowing operations in the local region. Options A and B do not meet the requirement for multiple consistency levels, and option D does not support the necessary data storage capacity.