SAP-C02 · Question #524
SAP-C02 Question #524: Real Exam Question with Answer & Explanation
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Question
A media storage application uploads user photos to Amazon S3 for processing by AWS Lambda functions. Application state is stored in Amazon DynamoDB tables. Users are reporting that some uploaded photos are not being processed properly. The application developers trace the logs and find that Lambda is experiencing photo processing issues when thousands of users upload photos simultaneously. The issues are the result of Lambda concurrency limits and the performance of DynamoDB when data is saved. Which combination of actions should a solutions architect take to increase the performance and reliability of the application? (Choose two.)
Options
- AEvaluate and adjust the RCUs for the DynamoDB tables.
- BEvaluate and adjust the WCUs for the DynamoDB tables.
- CAdd an Amazon ElastiCache layer to increase the performance of Lambda functions.
- DAdd an Amazon Simple Queue Service (Amazon SQS) queue and reprocessing logic between
- EUse S3 Transfer Acceleration to provide lower latency to users.
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