SAA-C03 Q557 · Serverless

Question

A company tracks customer satisfaction by using surveys that the company hosts on its website. The surveys sometimes reach thousands of customers every hour. Survey results are currently sent in email messages to the company so company employees can manually review results and assess customer sentiment. The company wants to automate the customer survey process. Survey results must be available for the previous 12 months. Which solution will meet these requirements in the MOST scalable way?

Accepted Answer

Option A satisfies every requirement with a fully serverless, scalable architecture:

1. **Scalability**: API Gateway handles thousands of concurrent requests and automatically scales. SQS acts as a buffer to decouple ingestion from processing, absorbing traffic spikes without data loss. Lambda scales horizontally by polling the SQS queue and processing messages in parallel.

2. **Automation**: The entire pipeline is event-driven — survey data arrives at API Gateway → lands in SQS → Lambda polls and processes automatically. No manual intervention needed.

3. **Correct Sentiment Analysis Service**: Amazon Comprehend is the purpose-built NLP service for sentiment analysis of text. It analyzes text and returns sentiment scores (Positive, Negative, Mixed, Neutral). This is exactly the right se

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