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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 680 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 680
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

An ecommerce company has an order-processing application that uses Amazon API Gateway and an AWS Lambda function. The application stores data in an
Amazon Aurora PostgreSQL database. During a recent sales event, a sudden surge in customer orders occurred. Some customers experienced timeouts, and the application did not process the orders of those customers.
A solutions architect determined that the CPU utilization and memory utilization were high on the database because of a large number of open connections. The solutions architect needs to prevent the timeout errors while making the least possible changes to the application.
Which solution will meet these requirements?

  • A. Configure provisioned concurrency for the Lambda function. Modify the database to be a global database in multiple AWS Regions.
  • B. Use Amazon RDS Proxy to create a proxy for the database. Modify the Lambda function to use the RDS Proxy endpoint instead of the database endpoint.
  • C. Create a read replica for the database in a different AWS Region. Use query string parameters in API Gateway to route traffic to the read replica.
  • D. Migrate the data from Aurora PostgreSQL to Amazon DynamoDB by using AWS Database Migration Service (AWS DMS). Modify the Lambda function to use the DynamoDB table.
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Suggested Answer: B 🗳️
by sivasumanth at Oct. 5, 2022, 2:40 p.m.
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jxp09
2 years, 8 months ago
Perfect B
upvoted 1 times
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sivasumanth
2 years, 8 months ago
Selected Answer: B
When there is surge in traffic , no of concurrent lambda functions increased which results in more read and write connections on Aurora SO RDS proxy will limit the no of open connections to Aurora or RDS.
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