CLF-C02 Question #184: Real Exam Question with Answer & Explanation

The correct answer is A: Amazon DynamoDB. For an application requiring a data store that can scale to receive millions of database queries each second, Amazon DynamoDB is the appropriate AWS service.

Submitted by chen.hong· Mar 6, 2026Cloud Technology and Services

Question

A company is building an application that will receive millions of database queries each second. The company needs the data store for the application to scale to meet these needs. Which AWS service will meet this requirement?

Options

AAmazon DynamoDB
BAWS Cloud9
CAmazon ElastiCache for Memcached
DAmazon Neptune

Explanation

For an application requiring a data store that can scale to receive millions of database queries each second, Amazon DynamoDB is the appropriate AWS service.

Common mistakes.

B. AWS Cloud9 is a cloud-based integrated development environment (IDE) and not a database service.

Concept tested. High-Scale NoSQL Database

Reference. https://aws.amazon.com/dynamodb/

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