Answer: Amazon Neptune

## Explanation Amazon Neptune is the correct choice because: - **Amazon Neptune** is AWS's fully managed graph database service specifically designed for working with highly connected data - It's optimized for graph queries and can efficiently traverse relationships between data points - For fraud detection, graph databases excel at identifying patterns and connections between entities (users, transactions, IP addresses, etc.) - Neptune supports real-time querying capabilities needed for fraud detection scenarios ### Why not the other options: - **Amazon DynamoDB**: A NoSQL key-value and document database, not optimized for graph relationships - **Amazon RDS**: A relational database service for traditional SQL databases, not specialized for graph data - **Amazon Timestream for LiveAnalytics**: A time-series database for IoT and operational analytics, not designed for graph data structures Graph databases like Neptune are particularly well-suited for fraud detection because they can quickly identify suspicious patterns and connections across multiple data points in real-time.

Author: Ritesh Yadav