SAA-C03 Q199 · Serverless

Question

A company has 15 employees. The company stores employee start dates in an Amazon DynamoDB table. The company wants to send an email message to each employee on the day of the employee's work anniversary. Which solution will meet these requirements with the MOST operational efficiency?

Accepted Answer

**Answer C** meets all requirements with maximum operational efficiency:

1. **Requirement: Daily check of employee anniversaries** → An AWS Lambda function scheduled via Amazon EventBridge (CloudWatch Events) runs once per day. With only 15 employees, scanning the DynamoDB table is trivial and well within Lambda's execution limits.

2. **Requirement: Send email messages** → Amazon SNS natively supports **email/email-JSON protocol** subscriptions. Each employee can be subscribed to an SNS topic (or individual topics), and Lambda publishes a message to SNS, which delivers the email.

3. **Requirement: Most operational efficiency** → Lambda is **fully serverless** — no servers to provision, patch, monitor, or pay for when idle. Compare this to EC2, which requires ongoing maintenance (OS patc

📖 Explanation

✅ Correct Answer

❌ Wrong Answers

📘 Key Concepts

🏗️ Architecture

⚙️ Operations

💰 Cost

🎯 Exam Tips