You are building a high-scale data analytics platform. You need a way to ingest millions of events per second with high durability and the ability to replay data for up to 365 days. Which service should you choose?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Amazon Kinesis Data Streams (with long-term retention enabled)

Kinesis recently added the 'Long-term data retention' feature (up to 365 days), making it suitable for both real-time processing and historical data replay....

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Real Exam ScenarioAmazon CloudWatch

You are building a high-scale data analytics platform. You need a way to ingest millions of events per second with high durability and the ability to replay data for up to 365 days. Which service should you choose?

✓ Correct Answer & ExplanationAmazon CloudWatch

Correct Answer

Amazon Kinesis Data Streams (with long-term retention enabled)

Why This Answer Is Correct

Kinesis recently added the 'Long-term data retention' feature (up to 365 days), making it suitable for both real-time processing and historical data replay.

📚 What This Question Tests

This question evaluates your knowledge of Amazon CloudWatch — a core concept tested in AWS Certified Solutions Architect – Professional (SAP-C02). Understanding Amazon CloudWatch is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.