Correct Answer: LSI uses the same partition key as the table; GSI can have a different partition key
LSIs allow for alternative sort keys for the same partition key, while GSIs allow for completely different partition and sort keys....
Correct Answer
LSI uses the same partition key as the table; GSI can have a different partition key
Why This Answer Is Correct
LSIs allow for alternative sort keys for the same partition key, while GSIs allow for completely different partition and sort keys.
This question evaluates your knowledge of Amazon DynamoDB — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding Amazon DynamoDB 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?
An architect is designing a globally distributed mobile application. Users in different regions must be able to read and write to the same DynamoDB table with low latency. Which feature should be used?
An application is experiencing 'ProvisionedThroughputExceededException' during peak hours on a DynamoDB table. The architect needs a solution that provides microsecond read latency and reduces the load on the table. Which service is best?
A company wants to automatically delete old items in a DynamoDB table after 30 days to save costs. Which feature allows this without writing custom deletion code?
An architect needs to capture all changes (insert, update, delete) to a DynamoDB table and trigger a Lambda function to update a search index in real-time. What should be enabled?