A global e-commerce company needs a database solution that can replicate data globally in real-time, provide single-digit millisecond read/write latencies at the 99th percentile, and support multiple API models (such as SQL, MongoDB, and Cassandra). Which Azure database service should they choose?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Azure Cosmos DB

Azure Cosmos DB is Microsoft's globally distributed, multi-model database service. It offers turnkey global replication, single-digit millisecond latency guarantees, and APIs for S...

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Real Exam ScenarioAzure Architecture & Services

A global e-commerce company needs a database solution that can replicate data globally in real-time, provide single-digit millisecond read/write latencies at the 99th percentile, and support multiple API models (such as SQL, MongoDB, and Cassandra). Which Azure database service should they choose?

โœ“ Correct Answer & ExplanationAzure Architecture & Services

Correct Answer

Azure Cosmos DB

Why This Answer Is Correct

Azure Cosmos DB is Microsoft's globally distributed, multi-model database service. It offers turnkey global replication, single-digit millisecond latency guarantees, and APIs for SQL, MongoDB, Cassandra, Table, and Gremlin.

๐Ÿ“š What This Question Tests

This question evaluates your knowledge of Azure Architecture & Services โ€” a core concept tested in Microsoft Certified: Azure Fundamentals (AZ-900). Understanding Azure Architecture & Services is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.