An architect is designing a new serverless architecture to replace a legacy on-premises order processing system. The new system must receive orders via an API, validate them, save them to a database, and notify a downstream fulfillment system. Which THREE AWS services should be used to build this modern architecture? (Select THREE)

Answer options:

Amazon API Gateway

Amazon EC2

AWS Lambda

Amazon RDS for Oracle

Amazon DynamoDB

AWS Direct Connect

AWS Elastic Beanstalk

How to approach this question

Identify the core components of a standard serverless web application.

Full Answer

A standard serverless pattern uses Amazon API Gateway to receive requests, AWS Lambda to execute business logic, and Amazon DynamoDB as a highly scalable, serverless database.

Common mistakes

Selecting EC2 or Elastic Beanstalk, which are not serverless.

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Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 6

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