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A company needs a graph database service that is scalable and highly available. Which AWS service meets these requirements?
A
Amazon Aurora
B
Amazon Redshift
C
Amazon DynamoDB
D
Amazon Neptune
Explanation:
Amazon Neptune is AWS's fully managed graph database service that is specifically designed for graph database workloads. Here's why it's the correct choice:
Graph Database: Amazon Neptune is purpose-built for graph databases, which store data as nodes and edges to represent relationships
Scalable: Neptune automatically scales storage and can handle read replicas for scaling read performance
Highly Available: It provides high availability through Multi-AZ deployments with automatic failover
Managed Service: AWS handles the operational aspects like backups, patching, and maintenance
Why the other options are incorrect:
Amazon Aurora: A relational database compatible with MySQL and PostgreSQL, not a graph database
Amazon Redshift: A data warehouse service for analytics, not a graph database
Amazon DynamoDB: A NoSQL key-value and document database, not specifically designed for graph data
For graph database requirements with scalability and high availability, Amazon Neptune is the appropriate AWS service.