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Answer: Establish an Amazon API Gateway HTTPS endpoint invoking an AWS Lambda function for message processing, with results in Amazon DynamoDB.
The correct answer is B. Creating an HTTPS endpoint in Amazon API Gateway and configuring it to invoke an AWS Lambda function ensures high availability and scalability. The Lambda function can process the incoming messages, and DynamoDB can be used efficiently to store the results, providing durable and highly available data storage. This architecture leverages managed services that AWS provides, reducing the operational overhead and increasing fault tolerance and availability.
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Design a system for a company with badge reader sensors sending access attempt messages over HTTPS. The system must process these messages, ensure high availability, and provide security team access to the results.
A
Use an Amazon EC2 instance as the HTTPS endpoint, processing messages and storing results in Amazon S3.
B
Establish an Amazon API Gateway HTTPS endpoint invoking an AWS Lambda function for message processing, with results in Amazon DynamoDB.
C
Employ Amazon Route 53 to route sensor messages to an AWS Lambda function, which processes messages and stores results in Amazon DynamoDB.
D
Set up a VPC endpoint for Amazon S3 with a Site-to-Site VPN for direct sensor data writing to S3 from the facility network.