Question #1027
Which AWS service is specifically designed as a fully managed graph database?
Amazon DocumentDB
Amazon Keyspaces
Amazon Redshift
Amazon Neptune
Explanation
The correct answer is D. Amazon Neptune.
Why Neptune is correct:
Amazon Neptune is a purpose-built, fully managed graph database service optimized for storing and querying highly connected datasets. It supports popular graph models like Property Graph (via Apache TinkerPop Gremlin) and RDF (via SPARQL), making it ideal for use cases like social networks, fraud detection, and recommendation engines.
Why other options are incorrect:
- A. Amazon DocumentDB: A managed document database compatible with MongoDB, designed for JSON data storage (NoSQL), not graph structures.
- B. Amazon Keyspaces: A managed Apache Cassandra service (wide-column NoSQL database), optimized for scalability but not graph relationships.
- C. Amazon Redshift: A cloud data warehouse for analytics, built on a relational model, not a graph database.
Key Points:
- Graph databases excel at managing relationships (e.g., social networks).
- Neptune supports Gremlin (Property Graph) and SPARQL (RDF).
- Fully managed services eliminate operational overhead.
Answer
The correct answer is: D