Correct Answer: A property with a wide range of values (high cardinality) like a hash of a UserID or OrderID
To prevent performance bottlenecks and uneven distribution of data (hot partitions), developers should choose a partition key with high cardinality and a wide range of values, such...
Correct Answer
A property with a wide range of values (high cardinality) like a hash of a UserID or OrderID
Why This Answer Is Correct
To prevent performance bottlenecks and uneven distribution of data (hot partitions), developers should choose a partition key with high cardinality and a wide range of values, such as a hash of User ID or Order ID.
This question evaluates your knowledge of Azure Cosmos DB — a core concept tested in Microsoft Certified: Azure Administrator Associate (AZ-104). Understanding Azure Cosmos DB 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.
Your application generates millions of clickstream events per second. You need a service to ingest and buffer this data in real-time before processing it. Which service fits this need?
Which Azure database service is a multi-model, globally distributed database that provides single-digit millisecond latency at any scale?
What is 'Request Units' (RUs) in the context of Azure Cosmos DB?
Which Cosmos DB feature ensures that data is replicated to multiple regions and allows users to read and write to their local region?
Azure Cosmos DB offers five consistency levels. Which level provides the strongest possible guarantee that a read will return the most recent write?